Cigarette

A filtered cigarette

An electronic cigarette

A cigarette is a narrow cylinder containing a combustible material, typically tobacco, that is rolled into thin paper for smoking. The cigarette is ignited at one end, causing it to smolder; the resulting smoke is orally inhaled via the opposite end. Cigarette smoking is the most common method of tobacco consumption. The term cigarette, as commonly used, refers to a tobacco cigarette, but the word is sometimes used to refer to other substances, such as a cannabis cigarette or an herbal cigarette. A cigarette is distinguished from a cigar by its usually smaller size, use of processed leaf, and paper wrapping, which is typically white. Most modern cigarettes are filtered, although this does not make the smoke inhaled from them contain fewer carcinogens and harmful chemicals.

There are significant negative health effects from smoking cigarettes such as cancer, chronic obstructive pulmonary disease (COPD), heart disease, birth defects, and other health problems relating to nearly every organ of the body. Nicotine, the psychoactive drug in tobacco, makes cigarettes highly addictive. About half of cigarette smokers die of tobacco-related disease and lose on average 14 years of life. Every year, tobacco cigarettes kill more than 8 million people worldwide; with 1.2 million of those being non-smokers dying as the result of exposure to second-hand smoke. These harmful effects have led to strict legislation that has prohibited smoking in many workplaces and public areas, regulated marketing and purchasing age of tobacco, and levied taxes to discourage cigarette use.

In the 21st century, a product called an electronic cigarette (also called an e-cigarette or vape) was developed, in which the substance contained within it (typically a liquid solution containing nicotine) is vaporized by a battery-powered heating element, as opposed to being burned. Such devices are commonly promoted by their manufacturers as safer alternatives to conventional cigarettes, although there are some health risks associated with their use. Since e-cigarettes are a relatively new product, scientists do not possess data on their possible long-term health effects.

History

Global

A reproduction of a carving from the temple at Palenque, Mexico, depicting a Maya deity using a smoking tube

The earliest forms of cigarettes were similar to their predecessor, the cigar. Cigarettes appear to have had antecedents in Mexico and Central America around the 9th century in the form of reeds and smoking tubes. The Maya, and later the Aztecs, smoked tobacco and other psychoactive drugs in religious rituals and frequently depicted priests and deities smoking on pottery and temple engravings. The cigarette and the cigar were the most common methods of smoking in the Caribbean, Mexico, and Central and South America until recent times.^[1]

The North American, Central American, and South American cigarette used various plant wrappers; when it was brought back to Spain, maize wrappers were introduced, and by the 17th century, fine paper. The resulting product was called papelate and is documented in Goya's paintings La Cometa, La Merienda en el Manzanares, and El juego de la pelota a pala (18th century).^[2]

By 1830, the cigarette had crossed into France, where it received the name cigarette; and in 1845, the French state tobacco monopoly began manufacturing them.^[2] The French word made its way into English in the 1840s.^[3] Some American reformers promoted the spelling cigaret,^[4][5] but this was never widespread and is now largely abandoned.^[6] Cigarettes are sometimes also called a fag in British slang.^[7]

The first patented cigarette-making machine was invented by Juan Nepomuceno Adorno of Mexico in 1847.^[8] In the 1850s, Turkish cigarette leaves had become popular.^[9] However, production climbed markedly when another cigarette-making machine was developed in the 1880s by James Albert Bonsack, which vastly increased the productivity of cigarette companies, which went from making about 40,000 hand-rolled cigarettes daily to around 4 million.^[10] At the time, these imported cigarettes from America had significant sales among British smokers.^[9]

In the English-speaking world, the use of tobacco in cigarette form became increasingly widespread during and after the Crimean War, when British soldiers began emulating their Ottoman Turkish comrades and Russian enemies, who had begun rolling and smoking tobacco in strips of old newspaper for lack of proper cigar-rolling leaf.^[2] This was helped by the development of tobaccos suitable for cigarette use, and by the development of the Egyptian cigarette export industry.

Francisco Goya's La Cometa, depicting a (foreground left) man smoking an early quasicigarette

Cigarettes may have been initially used in a manner similar to pipes, cigars, and cigarillos and not inhaled; for evidence, see the Lucky Strike ad campaign asking consumers "Do You Inhale?" from the 1930s. As cigarette tobacco became milder and more acidic, inhaling may have become perceived as more agreeable. However, Moltke noticed in the 1830s (cf. Unter dem Halbmond) that Ottomans (and he himself) inhaled the Turkish tobacco and Latakia from their pipes^[11] (which are both initially sun-cured, acidic leaf varieties).

A 1942 ad encourages women to smoke Camel brand cigarettes.

The widespread smoking of cigarettes in the Western world is largely a 20th-century phenomenon. By the late 19th century cigarettes were known as coffin nails^[12] but the link between lung cancer and smoking was not established until the 20th century.^[13] German doctors were the first to make the link, and it led to the first antitobacco movement in Nazi Germany.^[14][15][16]

Cigarette brands, including Craven "A", advertised in Shaftesbury Avenue, London in 1949

During World War I and World War II, cigarettes were rationed to soldiers. During the Vietnam War, cigarettes were included with C-ration meals. In 1975, the U.S. government stopped putting cigarettes in military rations. During the second half of the 20th century, the adverse health effects of tobacco smoking started to become widely known and printed health warnings became common on cigarette packets.

Graphical cigarette warning labels are a more effective method to communicate to the public the dangers of cigarette smoking.^[17] Canada, Mexico, Belgium, Denmark, Sweden, Thailand, Malaysia, India, Pakistan, Australia, Argentina, Brazil, Chile, Peru,^[18] Greece, the Netherlands,^[19] New Zealand, Norway, Hungary, the United Kingdom, France, Romania, Singapore, Egypt, Jordan, Nepal and Turkey all have both textual warnings and graphic visual images displaying, among other things, the damaging effects tobacco use has on the human body. The United States has implemented textual but not graphical warnings.

The cigarette has evolved much since its conception; for example, the thin bands that travel transverse to the "axis of smoking" (thus forming circles along the length of the cigarette) are alternate sections of thin and thick paper to facilitate effective burning when being drawn, and retard burning when at rest. Synthetic particulate filters may remove some of the tar before it reaches the smoker.

The "holy grail" for cigarette companies has been a cancer-free cigarette. On record, the closest historical attempt was produced by scientist James Mold. Under the name project TAME, he produced the XA cigarette. However, in 1978, his project was terminated.^[20][21][22]

Since 1950, the average nicotine and tar content of cigarettes has steadily fallen. Research has shown that the fall in overall nicotine content has led to smokers inhaling larger volumes per puff.^[23]

United States

One entrepreneur who was quick to spot the advantages of machine-made cigarettes was James Buchanan Duke. Previously a producer of smoking tobacco only, his firm, W. Duke & Sons & Co., entered the cigarette industry in the early 1880s. After installing two Bonsack machines, Duke spent heavily on advertising and sales promotion with the result that by 1889 his was the largest cigarette manufacturer in the country. The new Bonsack machines were of decisive importance in rapid, cheap manufacture of all tobacco products but one. Cigars needed slow, laborious hand rolling and were produced in hundreds of small workshops, especially in New York City. In 1890 Duke and the other four major cigarette companies combined to form the American Tobacco Company, a firm that dominated the market and used aggressive tactics on hundreds of small competitors until they sold out. It was called the "Tobacco Trust." The trust soon expanded its operations to include cigars, smoking, chewing tobacco and snuff. Among the companies drawn into this organization were plug manufacturers, Liggett & Myers and R. J. Reynolds Tobacco Company, which at the time produced twist and flat plug, and P. Lorillard, an old-line manufacturer of snuff. By 1910 the trust produced 86% of all cigarettes produced in the United States, and 75% to 95% of other forms, but only 14% of the cigars.^[24]

At the start of the 20th century, the per capita annual consumption in the U.S. was 54 cigarettes (with fewer than 0.5% of the population smoking more than 100 cigarettes per year), and consumption there peaked at 4,259 per capita in 1965. At that time, about 50% of men and 33% of women smoked (defined as smoking more than 100 cigarettes per year).^[25] By 2000, consumption had fallen to 2,092 per capita, corresponding to about 30% of men and 22% of women smoking more than 100 cigarettes per year, and by 2006 per capita consumption had declined to 1,691;^[26] implying that about 21% of the population smoked 100 cigarettes or more per year.

Construction

Diagram of a cigarette

1. Mainstream smoke
2. Filtration material
3. Adhesives
4. Ventilation holes
5. Ink
6. Adhesive
7. Sidestream smoke
8. Filter
9. Tipping Paper
10. Tobacco and ingredients
11. Paper
12. Burning point and ashes

Manufacturers have described the cigarette as "a drug administration system for the delivery of nicotine in acceptable and attractive form".^{[27][28][29][30]} Modern commercially manufactured cigarettes are seemingly simple objects consisting mainly of a tobacco blend, paper, PVA glue to bond the outer layer of paper together, and often also a cellulose acetate–based filter.^[31] While the assembly of cigarettes is straightforward, much focus is given to the creation of each of the components, in particular the tobacco blend. A key ingredient that makes cigarettes more addictive is the inclusion of reconstituted tobacco, which has additives to make nicotine more volatile as the cigarette burns.^[32]

Paper

The paper for holding the tobacco blend may vary in porosity to allow ventilation of the burning ember or contain materials that control the burning rate of the cigarette and stability of the produced ash. The papers used in tipping the cigarette (forming the mouthpiece) and surrounding the filter stabilize the mouthpiece from saliva and moderate the burning of the cigarette, as well as the delivery of smoke with the presence of one or two rows of small laser-drilled air holes.^[33]

Tobacco blend

Leones Africanos brand cigarettes from the mid-20th century, part of the permanent collection of the Museo del Objeto del Objeto

The process of blending gives the end product a consistent taste from batches of tobacco grown in different areas of a country that may change in flavor profile from year to year due to different environmental conditions.^[34]

Modern cigarettes produced after the 1950s, although composed mainly of shredded tobacco leaf, use a significant quantity of tobacco processing byproducts in the blend. Each cigarette's tobacco blend is made mainly from the leaves of flue-cured brightleaf, burley tobacco, and oriental tobacco. These leaves are selected, processed, and aged prior to blending and filling. The processing of brightleaf and burley tobaccos for tobacco leaf "strips" produces several byproducts such as leaf stems, tobacco dust, and tobacco leaf pieces ("small laminate").^[34] To improve the economics of producing cigarettes, these byproducts are processed separately into forms where they can then be added back into the cigarette blend without an apparent or marked change in the cigarette's quality. The most common tobacco byproducts include:

• Blended leaf (BL) sheet: a thin, dry sheet cast from a paste made with tobacco dust collected from tobacco stemming, finely milled burley-leaf stem, and pectin.^[35]
• Reconstituted leaf (RL) sheet: a paper-like material made from recycled tobacco fines, tobacco stems and "class tobacco", which consists of tobacco particles less than 30 mesh in size (about 0.6 mm) that are collected at any stage of tobacco processing:^[36] RL is made by extracting the soluble chemicals in the tobacco byproducts, processing the leftover tobacco fibers from the extraction into a paper, and then reapplying the extracted materials in concentrated form onto the paper in a fashion similar to what is done in paper sizing. At this stage, ammonium additives are applied to make reconstituted tobacco an effective nicotine delivery system.^[32]
• Expanded (ES) or improved stem (IS): ES is rolled, flattened, and shredded leaf stems that are expanded by being soaked in water and rapidly heated. Improved stem follows the same process, but is simply steamed after shredding. Both products are then dried. These products look similar in appearance, but are different in taste.^[34]

According to data from the World Health Organization,^[37] the amount of tobacco per 1000 cigarettes fell from 1.03 kg (2.28 pounds) in 1960 to 0.41 kg (0.91 pounds) in 1999, largely as a result of reconstituting tobacco, fluffing, and additives.

A recipe-specified combination of brightleaf, burley-leaf, and oriental-leaf tobacco is mixed with various additives to improve its flavors. Most commercially available cigarettes today contain tobacco that is treated with sugar to counter the harshness of the smoke.

Additives

A list of 599 cigarette additives, created by five major American cigarette companies, was approved by the Department of Health and Human Services in April 1994. None of these additives is listed as an ingredient on the cigarette pack(s). Chemicals are added for organoleptic purposes and many boost the addictive properties of cigarettes, especially when burned.^{[citation needed]}

One of the classes of chemicals on the list, ammonia salts, convert bound nicotine molecules in tobacco smoke into free nicotine molecules. This process, known as freebasing, could potentially increase the effect of nicotine on the smoker, but experimental data suggests that absorption is, in practice, unaffected.^[38]

Cigarette tube

Cigarette tubes are prerolled cigarette paper usually with an acetate or paper filter at the end. They have an appearance similar to a finished cigarette, but are without any tobacco or smoking material inside. The length varies from Regular (70 mm) to King Size (84 mm) as well as 100s (100 mm) and 120s (120 mm).^{[39][self-published source?]}

Filling a cigarette tube is usually done with a cigarette injector (also known as a shooter). Cone-shaped cigarette tubes, known as cones, can be filled using a packing stick or straw because of their shape. Cone smoking is popular because as the cigarette burns, it tends to get stronger and stronger. A cone allows more tobacco to be burned at the beginning than the end, allowing for an even flavor^[40]

The United States Tobacco Taxation Bureau defines a cigarette tube as "Cigarette paper made into a hollow cylinder for use in making cigarettes."^[41]

Cigarette filter

Main pages: Error: Template must be given at least one page name and Cigarette filterA cigarette filter or filter tip is a component of a cigarette. Filters are typically made from cellulose acetate fibre. Most factory-made cigarettes are equipped with a filter; those who roll their own can buy them separately. Filters can reduce some substances from smoke but do not make cigarettes any safer to smoke.

Cigarette butt

A discarded cigarette butt, lying on dirty snow

In North America, the common name for the remains of a cigarette after smoking is a cigarette butt. In Britain, it is also called a fag-end or a dog-end.^[42] The butt is typically about 30% of the cigarette's original length. It consists of a tissue tube which holds a filter and some remains of tobacco mixed with ash.

They are the most numerically frequent litter in the world.^[43] Cigarette butts accumulate outside buildings, on parking lots, and streets where they can be transported through storm drains to streams, rivers, and beaches.^[44] In a 2013 trial, the city of Vancouver , British Columbia, partnered with TerraCycle to create a system for recycling of cigarette butts. A reward of 1¢ per collected butt was offered to determine the effectiveness of a deposit system similar to that of beverage containers.^[45][46]

Electronic cigarette

Various types of electronic cigarettes

An electronic cigarette (commonly known as a vape) is a handheld battery-powered vaporizer that simulates smoking by providing some of the behavioral aspects of smoking, including the hand-to-mouth action of smoking, but without combusting tobacco.^[47] Using an e-cigarette is known as "vaping" and the user is referred to as a "vaper" or “vapist”.^[48] Instead of cigarette smoke, the user inhales an aerosol, commonly called vapor.^[49] E-cigarettes typically have a heating element that atomizes a liquid solution called e-liquid.^[50] E-cigarettes are automatically activated by taking a puff;^[51] others turn on manually by pressing a button.^[48] Some e-cigarettes look like traditional cigarettes,^[52] but they come in many variations.^[48] Most versions are reusable, though some are disposable.^[53] There are first-generation,^[54] second-generation,^[55] third-generation,^[56] and fourth-generation devices.^[57] E-liquids usually contain propylene glycol, glycerin, nicotine, flavorings, additives, and differing amounts of contaminants.^[58] E-liquids are also sold without propylene glycol,^[59] nicotine,^[60] or flavors.^[61]

The benefits and the health risks of e-cigarettes are uncertain.^[62][63][64] There is moderate-certainty evidence that e-cigarettes with nicotine may help people quit smoking when compared with e-cigarettes without nicotine and nicotine replacement therapy.^[65] However, other studies have not supported the finding that e-cigarettes are proven to be more effective than smoking cessation medicine.^[66] There is concern with the possibility that non-smokers and children may start nicotine use with e-cigarettes at a rate higher than anticipated than if they were never created.^[67] Following the possibility of nicotine addiction from e-cigarette use, there is concern children may start smoking cigarettes.^[67] Youth who use e-cigarettes are more likely to go on to smoke cigarettes.^[68][69] Their part in tobacco harm reduction is unclear,^[70] while another review found they appear to have the potential to lower tobacco-related death and disease.^[71] Regulated US Food and Drug Administration nicotine replacement products may be safer than e-cigarettes,^[70] but e-cigarettes are generally seen as safer than combusted tobacco products.^[72][73] It is estimated their safety risk to users is similar to that of smokeless tobacco.^[74] The long-term effects of e-cigarette use are unknown.^[65][75][76] The risk from serious adverse events was reported in 2016 to be low.^[77] Less serious adverse effects include abdominal pain, headache, blurry vision,^[78] throat and mouth irritation, vomiting, nausea, and coughing.^[79] Nicotine itself is associated with some health harms.^[80] In 2019 and 2020, an outbreak of severe lung illness throughout the US was linked to the use of vaping products^[81]

E-cigarettes create vapor made of fine and ultrafine particles of particulate matter,^[79] which have been found to contain propylene glycol, glycerin, nicotine, flavors, small amounts of toxicants,^[79] carcinogens,^[82] and heavy metals, as well as metal nanoparticles, and other substances.^[79] Its exact composition varies across and within manufacturers, and depends on the contents of the liquid, the physical and electrical design of the device, and user behavior, among other factors.^[49] E-cigarette vapor potentially contains harmful chemicals not found in tobacco smoke.^[83] E-cigarette vapor contains fewer toxic chemicals,^[79] and lower concentrations of potential toxic chemicals than cigarette smoke.^[84] The vapor is probably much less harmful to users and bystanders than cigarette smoke,^[82] although concern exists that the exhaled vapor may be inhaled by non-users, particularly indoors.^[85]

Health effects

Smokers

Artistas brand cigarette package of Mexico from the Museo del Objeto del Objeto collection

The harm from smoking comes from the many toxic chemicals in the natural tobacco leaf and those formed in smoke from burning tobacco.^[86] People keep smoking because the nicotine, the primary psychoactive chemical in cigarettes, is highly addictive.^[87] Cigarettes, like narcotics, have been described as "strategically addictive", with the addictive properties being a core component of the business strategy.^[88] About half of smokers die from a smoking-related cause.^[89][90][91] Smoking harms nearly every organ of the body. Smoking leads most commonly to diseases affecting the heart,^[92] liver, and lungs, being a major risk factor for heart attacks, strokes, chronic obstructive pulmonary disease (COPD) (including emphysema and chronic bronchitis), and cancer^{[92][93][94][95][96]} (particularly lung cancer, cancers of the larynx and mouth, and pancreatic cancer). It also causes peripheral vascular disease and hypertension. Children born to women who smoke during pregnancy are at higher risk of congenital disorders, cancer, respiratory disease, and sudden death.^[97] On average, each cigarette smoked is estimated to shorten life by 11 minutes.^[91][98][99] Starting smoking earlier in life and smoking cigarettes higher in tar increases the risk of these diseases. The World Health Organization estimates that tobacco kills 8 million people each year as of 2019^[100] and 100 million deaths over the course of the 20th century.^[101] Cigarettes produce an aerosol containing over 4,000 chemical compounds, including nicotine, carbon monoxide, acrolein, and oxidant substances.^[97][102] Over 70 of these are carcinogens.^[103]

The most important chemical compounds causing cancer are those that produce DNA damage since such damage appears to be the primary underlying cause of cancer.^[104] Cunningham et al.^[105] combined the microgram weight of the compound in the smoke of one cigarette with the known genotoxic effect per microgram to identify the most carcinogenic compounds in cigarette smoke. The seven most important carcinogens in tobacco smoke are shown in the table, along with DNA alterations they cause.

"Ulcerative colitis is a condition of nonsmokers in which nicotine is of therapeutic benefit."^[113] A recent review of the available scientific literature concluded that the apparent decrease in Alzheimer disease risk may be simply because smokers tend to die before reaching the age at which it normally occurs. "Differential mortality is always likely to be a problem where there is a need to investigate the effects of smoking in a disorder with very low incidence rates before age 75 years, which is the case of Alzheimer's disease", it stated, noting that smokers are only half as likely as nonsmokers to survive to the age of 80.^[114]

Gateway theory

A very strong argument has been made about the association between adolescent exposure to nicotine by smoking conventional cigarettes and the subsequent onset of using other dependence-producing substances.^[115] Strong, temporal, and dose-dependent associations have been reported, and a plausible biological mechanism (via rodent and human modeling) suggests that long-term changes in the neural reward system take place as a result of adolescent smoking.^[115] Adolescent smokers of conventional cigarettes have disproportionately high rates of comorbid substance use, and longitudinal studies have suggested that early adolescent smoking may be a starting point or "gateway" for substance use later in life, with this effect more likely for persons with attention deficit hyperactivity disorder (ADHD).^[115] Although factors such as genetic comorbidity, innate propensity for risk-taking, and social influences may underlie these findings, both human neuroimaging and animal studies suggest a neurobiological mechanism also plays a role.^[115] In addition, behavioral studies in adolescent and young adult smokers have revealed an increased propensity for risk-taking, both generally and in the presence of peers, and neuroimaging studies have shown altered frontal neural activation during a risk-taking task as compared with nonsmokers.^[115] In 2011, Rubinstein and colleagues used neuroimaging to show decreased brain response to a natural reinforcer (pleasurable food cues) in adolescent light smokers (1–5 cigarettes per day), with their results highlighting the possibility of neural alterations consistent with nicotine dependence and altered brain response to reward even in adolescent low-level smokers.^[115]

Second-hand smoke

Second-hand smoke is a mixture of smoke from the burning end of a cigarette and the smoke exhaled from the lungs of smokers. It is involuntarily inhaled, lingers in the air for hours after cigarettes have been extinguished, and can cause a wide range of adverse health effects, including cancer, respiratory infections, and asthma.^[116] Nonsmokers who are exposed to second-hand smoke at home or work increase their heart disease risk by 25–30% and their lung cancer risk by 20–30%. Second-hand smoke has been estimated to cause 38,000 deaths per year, of which 3,400 are deaths from lung cancer in nonsmokers.^[117] Sudden infant death syndrome, ear infections, respiratory infections, and asthma attacks can occur in children who are exposed to second-hand smoke.^{[118][119][120]} Scientific evidence shows that no level of exposure to second-hand smoke is safe.^[118][119]

Legislation

Smoking restrictions

Many governments impose restrictions on smoking tobacco, especially in public areas. The primary justification has been the negative health effects of second-hand smoke.^[121] Laws vary by country and locality. Nearly all countries have laws restricting places where people can smoke in public, and over 40 countries have comprehensive smoke-free laws that prohibit smoking in virtually all public venues. Bhutan is currently the only country in the world to completely outlaw the cultivation, harvesting, production, and sale of tobacco and tobacco products under the Tobacco Control Act of Bhutan 2010. However, small allowances for personal possession are permitted as long as the possessors can prove that they have paid import duties.^[122] The Pitcairn Islands had previously banned the sale of cigarettes, but it now permits sales from a government-run store. The Pacific island of Niue hopes to become the next country to prohibit the sale of tobacco.^[123] Iceland is also proposing banning tobacco sales from shops, making it prescription-only and therefore dispensable only in pharmacies on doctor's orders.^[124] New Zealand hopes to achieve being tobacco-free by 2025 and Finland by 2040. Singapore and the Australian state of Tasmania have proposed a 'tobacco free millennium generation initiative' by banning the sale of all tobacco products to anyone born in and after the year 2000. In March 2012, Brazil became the world's first country to ban all flavored tobacco including menthols. It also banned the majority of the estimated 600 additives used, permitting only eight. This regulation applies to domestic and imported cigarettes. Tobacco manufacturers had 18 months to remove the noncompliant cigarettes, 24 months to remove the other forms of noncompliant tobacco.^[125][126] Under sharia law, the consumption of cigarettes by Muslims is prohibited.^[127]

Smoking age

In the United States, the age to buy tobacco products is 21 in all states as of 2020.

Similar laws exist in many other countries. In Canada, most of the provinces require smokers to be 19 years of age to purchase cigarettes (except for Quebec and the prairie provinces, where the age is 18). However, the minimum age only concerns the purchase of tobacco, not use. Alberta, however, does have a law which prohibits the possession or use of tobacco products by all persons under 18, punishable by a $100 fine. Australia, New Zealand, Poland, and Pakistan have a nationwide ban on the selling of all tobacco products to people under the age of 18.

Tabak-Trafik in Vienna: Since January 1, 2007, all cigarette machines in Austria must attempt to verify a customer's age by requiring the insertion of a debit card or mobile phone verification.

Since October 1, 2007, it has been illegal for retailers to sell tobacco in all forms to people under the age of 18 in three of the United Kingdom 's four constituent countries (England, Wales, Northern Ireland, and Scotland), rising from 16. It is also illegal to sell lighters, rolling papers, and all other tobacco-associated items to people under 18. It is not illegal for people under 18 to buy or smoke tobacco, just as it was not previously for people under 16; it is only illegal for the said retailer to sell the item. The age increase from 16 to 18 came into force in Northern Ireland on September 1, 2008. In the Republic of Ireland, bans on the sale of the smaller 10-packs and confectionery that resembles tobacco products (candy cigarettes) came into force on May 31, 2007, in a bid to cut underaged smoking.

Most countries in the world have a legal vending age of 18. In North Macedonia, Italy, Malta, Austria, Luxembourg, and Belgium, the age for legal vending is 16. Since January 1, 2007, all cigarette machines in public places in Germany must attempt to verify a customer's age by requiring the insertion of a debit card. Turkey, which has one of the highest percentage of smokers in its population,^[128] has a legal age of 18. Japan is one of the highest tobacco-consuming nations, and requires purchasers to be 20 years of age. Since July 2008, Japan has enforced this age limit at cigarette vending machines through use of the taspo smart card. In other countries, such as Egypt, it is legal to use and purchase tobacco products regardless of age.^{[citation needed]} Germany raised the purchase age from 16 to 18 on September 1, 2007.

Some police departments in the United States occasionally send an underaged teenager into a store where cigarettes are sold, and have the teen attempt to purchase cigarettes, with their own or no ID. If the vendor then completes the sale, the store is issued a fine.^[129] Similar enforcement practices are regularly performed by Trading Standards officers in the UK, Israel, and the Republic of Ireland.^[130]

Taxation

File:En.Wikipedia-VideoWiki-Price of cigarettes.webm Cigarettes are taxed both to reduce use, especially among youth, and to raise revenue. Higher prices for cigarettes discourage smoking. Every 10% increase in the price of cigarettes reduces youth smoking by about 7% and overall cigarette consumption by about 4%.^[132] The World Health Organization (WHO) recommends that globally cigarettes be taxed at a rate of three-quarters of cigarettes sale price as a way of deterring cancer and other negative health outcomes.^[133]

Cigarette sales are a significant source of tax revenue in many localities. This fact has historically been an impediment for health groups seeking to discourage cigarette smoking, since governments seek to maximize tax revenues. Furthermore, some countries have made cigarettes a state monopoly, which has the same effect on the attitude of government officials outside the health field.^[134]

In the United States, states are a primary determinant of the total tax rate on cigarettes. Generally, states that rely on tobacco as a significant farm product tend to tax cigarettes at a low rate.^[135] Coupled with the federal cigarette tax of $1.01 per pack, total cigarette-specific taxes range from $1.18 per pack in Missouri to $8.00 per pack in Silver Bay, New York. As part of the Family Smoking Prevention and Tobacco Control Act, the federal government collects user fees to fund Food and Drug Administration (FDA) regulatory measures over tobacco.

Fire-safe cigarette

Cigarettes are a frequent source of deadly fires in private homes, which prompted both the European Union and the United States to require cigarettes to be fire-standard compliant.^[136][137]

According to Simon Chapman, a professor of public health at the University of Sydney, reduction of burning agents in cigarettes would be a simple and effective means of dramatically reducing the ignition propensity of cigarettes.^[138] Since the 1980s, prominent cigarette manufacturers such as Philip Morris and R.J. Reynolds have developed fire safe cigarettes, but Phillip Morris was later the subject of a government lawsuit for allegedly hiding the even greater dangers associated with their brand of such cigarettes.^[139]

The burn rate of cigarette paper is regulated through the application of different forms of microcrystalline cellulose to the paper.^[140] Cigarette paper has been specially engineered by creating bands of different porosity to create "fire-safe" cigarettes. These cigarettes have a reduced idle burning speed which allows them to self-extinguish.^[141] This fire-safe paper is manufactured by mechanically altering the setting of the paper slurry.^[142]

New York was the first U.S. state to mandate that all cigarettes manufactured or sold within the state comply with a fire-safe standard. Canada has passed a similar nationwide mandate based on the same standard. All U.S. states are gradually passing fire-safe mandates.^[143]

The European Union in 2011 banned cigarettes that do not meet a fire-safety standard. According to a study made by the European Union in 16 European countries, 11,000 fires were due to people carelessly handling cigarettes between 2005 and 2007. This caused 520 deaths with 1,600 people injured.^[144]

Cigarette advertising

Many countries have restrictions on cigarette advertising, promotion, sponsorship, and marketing. For example, in the Canadian provinces of British Columbia, Saskatchewan and Alberta, the retail store display of cigarettes is completely prohibited if persons under the legal age of consumption have access to the premises.^[145] In Ontario, Manitoba, Newfoundland and Labrador, and Quebec, Canada and the Australian Capital Territory the display of tobacco is prohibited for everyone, regardless of age, as of 2010. This retail display ban includes noncigarette products such as cigars and blunt wraps.^[146][147]

Warning messages in packages

As a result of tight advertising and marketing prohibitions, tobacco companies look at the pack differently: they view it as a strong component in displaying brand imagery and a creating significant in-store presence at the point of purchase. Market testing shows the influence of this dimension in shifting the consumer's choice when the same product displays in an alternative package. Studies also show how companies have manipulated a variety of elements in packs designs to communicate the impression of lower in tar or milder cigarettes, whereas the components were the same.^{[citation needed]}

Some countries require cigarette packs to contain warnings about health hazards. The United States was the first,^[148] later followed by other countries including Canada, most of Europe, Australia,^[149] Pakistan,^[150] India, Hong Kong, and Singapore. In 1985, Iceland became the first country to enforce graphic warnings on cigarette packaging.^[151][152] At the end of December 2010, new regulations from Ottawa increased the size of tobacco warnings to cover three-quarters of the cigarette package in Canada.^[153] As of November 2010, 39 countries have adopted similar legislation.^[148]

In February 2011, the Canadian government passed regulations requiring cigarette packs to contain 12 new images to cover 75% of the outside panel and eight new health messages on the inside panel with full color.^[154]

As of April 2011, Australian regulations require all packs to use a bland olive green that researchers determined to be the least attractive color,^[155] with 75% coverage on the front of the pack and all of the back consisting of graphic health warnings. The only feature that differentiates one brand from another is the product name in a standard color, position, font size, and style.^[156] Similar policies have since been adopted in France and the United Kingdom.^[157][158] In response to these regulations, Philip Morris International, Japan Tobacco Inc., British American Tobacco Plc., and Imperial Tobacco attempted to sue the Australian government. On August 15, 2012, the High Court of Australia dismissed the suit and made Australia the first country to introduce brand-free plain cigarette packaging with health warnings covering 90 and 70% of back and front packaging, respectively. This took effect on December 1, 2012.^[159]

Environmental effects

Simple molecular representation of cellulose acetate with one of the acetate groups on the cellulose backbone shown by the red circle

Cigarette filters are made up of thousands of polymer chains of cellulose acetate, which has the chemical structure shown to the right. Once discarded into the environment, the filters create a large waste problem. Cigarette filters are the most common form of litter in the world, as approximately 5.6 trillion cigarettes are smoked every year worldwide.^[160] Of those, an estimated 4.5 trillion cigarette filters become litter every year.^[161] To develop an idea of the waste weight amount produced a year the table below was created.

Discarded cigarette filters usually end up in the water system through drainage ditches and are transported by rivers and other waterways to the ocean.

Aquatic life health concerns

In the 2006 International Coastal Cleanup, cigarettes and cigarette butts constituted 24.7% of the total collected pieces of garbage, over twice as many as any other category, which is not surprising seeing the numbers in the table above of waste produced each year.^[162] Cigarette filters contain the chemicals filtered from cigarettes and can leach into waterways and water supplies.^[163] The toxicity of used cigarette filters depends on the specific tobacco blend and additives used by the cigarette companies. After a cigarette is smoked, the filter retains some of the chemicals, and some of those are considered carcinogenic.^[43] When studying the environmental effects of cigarette filters, the various chemicals that can be found in cigarette filters are not studied individually, due to the complexity of doing so. Researchers instead focus on the whole cigarette filter and its LD₅₀. LD₅₀ is defined as the lethal dose that kills 50% of a sample population. This allows for a simpler study of the toxicity of cigarette filters. One recent study has looked at the toxicity of smoked cigarette filters (smoked filter + tobacco), smoked cigarette filters (no tobacco), and unsmoked cigarette filters (no tobacco). The results of the study showed that for the LD₅₀ of both marine topsmelt (Atherinops affinis) and freshwater fathead minnow (Pimephales promelas), smoked cigarette filters + tobacco are more toxic than smoked cigarette filters, but both are severely more toxic than unsmoked cigarette filters.^[164]

Other health concerns

Toxic chemicals are not the only human health concern to take into considerations; the others are cellulose acetate and carbon particles that are breathed in while smoking. These particles are suspected of causing lung damage.^[165] The next health concern is that of plants. Under certain growing conditions, plants on average grow taller and have longer roots than those exposed to cigarette filters in the soil. A connection exists between cigarette filters introduced to soil and the depletion of some soil nutrients over time. Another health concern to the environment is not only the toxic carcinogens that are harmful to the wildlife, but also the filters themselves pose an ingestion risk to wildlife that may presume filter litter as food.^[166] The last major health concern to make note of for marine life is the toxicity that deep marine topsmelt and fathead minnow pose to their predators. This could lead to toxin build-up (bioaccumulation) in the food chain and have long reaching negative effects. Smoldering cigarette filters have also been blamed for triggering fires from residential areas^[167] to major wildfires and bushfires which has caused major property damage and also death^{[168][169][170]} as well as disruption to services by triggering alarms and warning systems.^[171]

Degradation

Once in the environment, cellulose acetate can go through biodegradation and photodegradation.^{[172][173][174]} Several factors go into determining the rate of each degradation process. This variance in rate and resistance to biodegradation in many conditions is a factor in littering^[175] and environmental damage.^[176]

Discarded Newport cigarettes packs found in Olneyville, Rhode Island - 2008

Biodegradation

Chemical hydrolysis of cellulose acetate

The first step in the biodegradation of cellulose acetate is the deactylation of the acetate from the polymer chain (which is the opposite of acetylation). An acetate is a negative ion with the chemical formula of C₂H₃O₂⁻. Deacetylation can be performed by either chemical hydrolysis or acetylesterase. Chemical hydrolysis is the cleavage of a chemical bond by addition of water. In the reaction, water (H₂O) reacts with the acetic ester functional group attached the cellulose polymer chain and forms an alcohol and acetate. The alcohol is simply the cellulose polymer chain with the acetate replaced with an alcohol group. The second reaction is exactly the same as chemical hydrolysis with the exception of the use of an acetylesterase enzyme. The enzyme, found in most plants, catalyzes the chemical reaction shown below.^[177]

acetic ester + H₂O ⇌ alcohol + acetate

In the case of the enzymatic reaction, the two substrates (reactants) are again acetic ester and H₂O, the two products of the reaction are alcohol and acetate. This reaction is exactly the same as the chemical hydrolysis. Both of these products are perfectly fine in the environment. Once the acetate group is removed from the cellulose chain, the polymer can be readily degraded by cellulase, which is another enzyme found in fungi, bacteria, and protozoans. Cellulases break down the cellulose molecule into monosaccharides ("simple sugars") such as beta-glucose, or shorter polysaccharides and oligosaccharides.

The chemical structure change of cellulose into glucose

These simple sugars are not harmful to the environment and are in fact are a useful product for many plants and animals. The breakdown of cellulose is of interest in the field of biofuel.^[178] Due to the conditions that affect the process, large variation in the degradation time of cellulose acetate occurs.

Factors in biodegradation

The duration of the biodegradation process is cited as taking as little as one month^[172] to as long as 15 years or more, depending on the environmental conditions. The major factor that affects the biodegradation duration is the availability of acetylesterase and cellulase enzymes. Without these enzymes, biodegradation only occurs through chemical hydrolysis and stops there. Temperature is another major factor: if the organisms that contain the enzymes are too cold to grow, then biodegradation is severely hindered. Availability of oxygen in the environment also affects the degradation. Cellulose acetate is degraded within 2–3 weeks under aerobic assay systems of in vitro enrichment cultivation techniques and an activated sludge wastewater treatment system.^[179] It is degraded within 14 weeks under anaerobic conditions of incubation with special cultures of fungi.^[180] Ideal conditions were used for the degradation (i.e., a suitable temperature, and available organisms to provide the enzymes). Thus, filters last longer in places with low oxygen concentration, such as swamps and bogs. Overall, the biodegradation process of cellulose acetate is not an instantaneous process.

Photodegradation

The other process of degradation is photodegradation, which is when a molecular bond is broken by the absorption of photon radiation (i.e. light). Due to cellulose acetate carbonyl groups, the molecule naturally absorbs light at 260 nm,^[181] but it contains some impurities which can absorb light. These impurities are known to absorb light in the far UV light region (< 280 nm).^[182] The atmosphere filters radiation from the sun and allows radiation of > 300 nm only to reach the surface. Thus, the primary photodegradation of cellulose acetate is considered insignificant to the total degradation process, since cellulose acetate and its impurities absorb light at shorter wavelengths. Research is focused on the secondary mechanisms of photodegradation of cellulose acetate to help make up for some of the limitations of biodegradation. The secondary mechanisms would be the addition of a compound to the filters that would be able to absorb natural light and use it to start the degradation process. The main two areas of research are in photocatalytic oxidation^[183] and photosensitized degradation.^[184] Photocatalytic oxidation uses a species that absorbs radiation and creates hydroxyl radicals that react with the filters and start the breakdown. Photosensitized degradation, though, uses a species that absorbs radiation and transfers the energy to the cellulose acetate to start the degradation process. Both processes use other species that absorbed light > 300 nm to start the degradation of cellulose acetate.^{[citation needed]}

Solution and remediation projects

A cigarette disposal canister, encouraging the public to dispose of their cigarettes properly

Several options are available to help reduce the environmental effects of cigarette butts. Proper disposal into receptacles leads to decreased numbers found in the environment and their effect on the environment. Another method is making fines and penalties for littering filters; many governments have sanctioned stiff penalties for littering of cigarette filters; for example, Washington (state) imposes a penalty of $1,025 for littering cigarette filters.^[185] Another option is developing better biodegradable filters; much of this work relies heavily on the research in the secondary mechanism for photodegradation as stated above, but a new research group has developed an acid tablet that goes inside the filters, and once wet enough, releases acid that speeds up the degradation to around two weeks.^[186] The research is still only in test phase and the hope is soon it will go into production. The next option is using cigarette packs with a compartment in which to discard cigarette butts, implementing monetary deposits on filters, increasing the availability of butt receptacles, and expanding public education. It may even be possible to ban the sale of filtered cigarettes altogether on the basis of their adverse environmental effects.^[187] Recent research has been put into finding ways to use the filter waste to develop a desired product. One research group in South Korea has developed a simple one-step process that converts the cellulose acetate in discarded cigarette filters into a high-performing material that could be integrated into computers, handheld devices, electrical vehicles, and wind turbines to store energy. These materials have demonstrated superior performance as compared to commercially available carbon, grapheme, and carbon nanotubes. The product is showing high promise as a green alternative for the waste problem.^[188]

Consumption

A Woolworths supermarket cigarette counter in New South Wales, Australia: In January 2011, Australia prohibited the display of cigarettes in retail outlets countrywide.^[189]

Cigarette salespeople in Jakarta, Indonesia

Smoking has become less popular, but is still a large public health problem globally.^{[190][191][192]} Worldwide, smoking rates fell from 41% in 1980 to 31% in 2012, although the actual number of smokers increased because of population growth.^[193] In 2017, 5.4 trillion cigarettes were produced globally, and were smoked by almost 1 billion people.^[194] Smoking rates have leveled off or declined in most countries, but is increasing in some low- and middle-income countries. The significant reductions in smoking rates in the United States, United Kingdom, Australia, Brazil, and other countries that implemented strong tobacco control programs^{[according to whom?]} have been offset by the increasing consumption in low income countries, especially China. The Chinese market now consumes more cigarettes than all other low- and middle-income countries combined.

Other regions are increasingly playing larger roles in the growing global smoking epidemic. The WHO Eastern Mediterranean Region (EMRO) now has the highest growth rate in the cigarette market, with more than a one-third increase in cigarette consumption since 2000. Due to its recent dynamic economic development and continued population growth, Africa presents the greatest risk in terms of future growth in tobacco use.

Within countries, patterns of cigarette consumption also can vary widely. For example, in many of the countries where few women smoke, smoking rates are often high in males (e.g., in Asia). By contrast, in most developed countries, female smoking rates are typically only a few percentage points below those of males. In many high and middle income countries lower socioeconomic status is a strong predictor of smoking. 

Smoking rates in the United States have dropped by more than half from 1965 to 2016, falling from 42% to 15.5% of US adults.^[195] Australia is cutting their overall smoking consumption faster than most of the developed world, in part due to landmark Plain Packaging Act, which standardized the appearance of cigarette packs. Other countries have considered similar measures. In New Zealand, a bill has been presented to parliament in which the government's associate health minister said "takes away the last means of promoting tobacco as a desirable product."^[196]

Lights

Some cigarettes are marketed as "lights", "milds", or "low-tar".^[199] These cigarettes were historically marketed as being less harmful, but there is no research showing that they are any less harmful. The filter design is one of the main differences between light and regular cigarettes, although not all cigarettes contain perforated holes in the filter. In some light cigarettes, the filter is perforated with small holes that theoretically diffuse the tobacco smoke with clean air. In regular cigarettes, the filter does not include these perforations. In ultralight cigarettes, the filter's perforations are larger. The majority of major cigarette manufacturers offer a light, low-tar, or mild cigarette brand. Due to recent U.S. legislation prohibiting the use of these descriptors, tobacco manufacturers are turning to color-coding to allow consumers to differentiate between regular and light brands.^[200]

Research shows that smoking "light" or "low-tar" cigarettes is just as harmful as smoking other cigarettes.^{[201][202][203]}

Notable cigarette brands

• 520
• 555
• Amber Leaf
• Army Club
• Ardath
• Basic
• Bel Air
• Benson & Hedges
• Berkeley
• Camel
• Capri
• Chesterfield
• Davidoff
• Dunhill
• Djarum
• Doral
• du Maurier
• Eclipse
• Embassy
• Eve
• Export A
• Fatima
• Fortuna
• Gauloises
• Gitanes
• Gold Flake
• Golden Virginia
• Gold Leaf
• Kyriazi Freres
• Kent
• Kool
• Lambert and Butler
• L&M
• Lark
• Lucky Strike
• Marlboro
• Mayfair
• Merit
• Mild Seven
• More
• Nat Sherman
• Natural American Spirit
• Newport
• Next
• Nil
• Old Gold
• Pall Mall
• Parliament
• Perilly's
• Peter Stuyvesant
• Peter Jackson
• Philip Morris
• Player's
• Prince
• Raleigh
• Ronhill
• Salem
• Sampoerna
• Senior Service
• Smokin Joes
• Sobranie
• Sovereign
• Sterling
• Surya
• Tareyton
• Vantage
• Viceroy
• Virginia Slims
• West
• Woodbine
• Windsor Blue
• Winfield
• Winston

Smoking cessation

Smoking cessation (quitting smoking) is the process of discontinuing the practice of tobacco smoking.^[204] Quitting can be difficult for many smokers due to the addictive nature of nicotine.^{[205]:2300–2301} The addiction begins when nicotine acts on nicotinic acetylcholine receptors to release neurotransmitters such as dopamine, glutamate, and gamma-aminobutyric acid.^[205]:2296 Cessation of smoking leads to symptoms of nicotine withdrawal such as anxiety and irritability.^[205]:2298 Professional smoking cessation support methods generally endeavour to address both nicotine addiction and nicotine withdrawal symptoms.

Smoking cessation can be achieved with or without assistance from healthcare professionals or the use of medications.^[206] Methods that have been found to be effective include interventions directed at or through health care providers and health care systems; medications including nicotine replacement therapy (NRT) and varenicline; individual and group counselling; and web-based or stand-alone computer programs. Although stopping smoking can cause short-term side effects such as reversible weight gain, smoking cessation services and activities are cost-effective because of the positive health benefits.

At the University of Buffalo, researchers found out that fruit and vegetable consumption can help a smoker cut down or even quit smoking^[207]

• A growing number of countries have more ex-smokers than smokers.^[208]
• Early "failure" is a normal part of trying to stop, and more than one attempt at stopping smoking prior to longer-term success is common.^[206]
• NRT, other prescribed pharmaceuticals, and professional counselling or support also help many smokers.^[206]
• However, up to three-quarters of ex-smokers report having quit without assistance ("cold turkey" or cut down then quit), and cessation without professional support or medication may be the most common method used by ex-smokers.^[206]

The number of nicotinic receptors in the brain returns to the level of a nonsmoker between 6 and 12 weeks after quitting.^[209] In 2019, the FDA authorized the selling of low-nicotine cigarettes in hopes of lowering the number of people addicted to nicotine.^[210]

See also

Bibliography

• Wilder, Natalie; Daley, Claire; Sugarman, Jane; Partridge, James (April 2016). "Nicotine without smoke: Tobacco harm reduction". UK: Royal College of Physicians. pp. 1–191. https://www.rcplondon.ac.uk/projects/outputs/nicotine-without-smoke-tobacco-harm-reduction-0. 
• "E-Cigarette Use Among Youth and Young Adults: A Report of the Surgeon General". United States Department of Health and Human Services. 2016. pp. 1–298. https://e-cigarettes.surgeongeneral.gov/documents/2016_SGR_Full_Report_non-508.pdf.  This article incorporates text from this source, which is in the public domain.
• "Electronic nicotine delivery systems". World Health Organization. July 21, 2014. pp. 1–13. http://apps.who.int/gb/fctc/PDF/cop6/FCTC_COP6_10-en.pdf. 

References

Further reading

• Brandt, Allan. The Cigarette Century: The Rise, Fall, and Deadly Persistence of the Product That Defined America (2007). online
• Brooks, Jerome E. The Mighty Leaf: The Story of Tobacco (Little, Brown, 1952)
• Burns, Eric. The Smoke of the Gods: A Social History of Tobacco (Temple University Press, 2007) online
• Cochran, Sherman. Big Business in China: Sino-Foreign Rivalry in the Cigarette Industry, 1890-1930 (Harvard UP, 1980).
• Corti, Count. (1931) A history of smoking (Bracken 1996 reprint; 1931) online
• Cox, Howard (2000). The Global Cigarette: Origins and Evolution of British American Tobacco, 1880-1945. Oxford University Press. ISBN 9780198292210. https://books.google.com/books?id=ciE52XzUgJ8C. 
• Durden, Robert F. The Dukes of Durham, 1865-1929 (1975) online
• Enstad, Nan. Cigarettes, Inc.: An Intimate History of Corporate Imperialism (U of Chicago, 2018) excerpt
• Gately, Iain. Tobacco: A Cultural History of How an Exotic Plant Seduced Civilization (2003)
• Goodman, Jordan, ed. Tobacco in History and Culture. An Encyclopedia (2 vol, Gage Cengage, 2005)online
• Hahn, Barbara. Making Tobacco Bright: Creating an American Commodity, 1617–1937 (Johns Hopkins University Press, 2011). examines how marketing, technology, and demand caused the dominance of Bright Flue-Cured Tobacco.
• Hannah, Leslie. "The Whig Fable of American Tobacco, 1895-1913," Journal of Economic History 66#1 (2006), pp. 42–73 online, argues most historians misinterpret the company.
• Harrald, Chris. The cigarette book: the history and culture of smoking (2010) online
• Heimann, Robert K. Tobacco and Americans (McGraw-Hill, 1960) online
• Hilton, Matthew, Smoking in British Popular Culture, 1800–2000 (Manchester University Press, 2000)
• Hirschfelder, Arlene B. Encyclopedia of smoking and tobacco (1999) online
• Kellner, Irwin L. "THE AMERICAN CIGARETTE INDUSTRY: A RE-EXAMINATION" (PhD dissertation, New School for Social Research, 1973; ProQuest Dissertations Publishing, 1973. 7400153).
• Klein, Richard. Cigarettes are Sublime (Duke University Press, 1993) the meaning of cigarettes in literature, films, war, ads, & sex. online
• Kluger, Richard. Ashes to Ashes: America's Hundred-Year Cigarette War, the Public Health, and the Unabashed Triumph of Philip Morris (Vintage, 1997). excerpt
• Milov, Sarah. The Cigarette: A Political History (Harvard University Press. 2019)
• Parker-Pope, Tara. Cigarettes: Anatomy of an Industry from Seed to Smoke (2002) online
• Porter, Patrick G. "Origins of the American Tobacco Company." Business History Review 43.1 (1969): 59-76. online
• Porter, Patrick G. "Advertising in the early cigarette industry: W. Duke, Sons & Company of Durham." North Carolina Historical Review 48.1 (1971): 31-43.
• Robert,Joseph C. The Story of Tobacco in America (1959), by a scholar. online
• Robinson, Daniel J. Cigarette Nation: Business, Health, and Canadian Smokers, 1930-1975 (McGill-Queen's University Press, 2021)
• Rothfeder, Jeffrey. The People vs. Big Tobacco: How the States Took on the Cigarette Giants (1998) online
• Sivulka, Juliann. Soap, Sex, and Cigarettes: A Cultural History of American Advertising (2nd ed. 2012) online
• Sobel, Robert. They satisfy: the cigarette in American life (1978) online
• Sobel, Robert (1974). "James Buchanan Duke: Opportunism Is the Spur". The Entrepreneurs: Explorations Within the American Business Tradition. New York: Weybright & Talley. ISBN 0-679-40064-8. https://archive.org/details/entrepreneursexp00sobe. 
• Starks, Tricia. Cigarettes and Soviets: Smoking in the USSR (Cornell University Press, 2022)
• Starr, Michael E. "The Marlboro Man: Cigarette Smoking and Masculinity in America." Journal of Popular Culture 17 (1984): 45-57.
• Swanson, Drew A. A Golden Weed: Tobacco and Environment in the Piedmont South (Yale University Press, 2014) 360pp
• Tennant, Richard B. American Cigarette Industry: A Study in Economic Analysis and Public Policy (Yale UP, 1950) online
• Tennant, Richard B. "The Cigarette Industry" in The Structure of American Industry, edited by Walter Adams (1961) pp 357–392. online
• Tilley, Nannie M. The R.J. Reynolds tobacco company (UNC Press Books, 1985), covers history to 1963; part of American Tobacco Company 1899-191, then independent again. online
• Tilley, Nannie M. The bright-tobacco industry, 1860-1929 (1948) online
• Tilley, Nannie May. "Agitation Against the American Tobacco Company in North Carolina, 1890-1911." North Carolina Historical Review 24.2 (1947): 207-223.
• Wagner, Susan. Cigarette Country: Tobacco in American History and Politics (Praeger, 1971). online
• Wailoo, Keith. Pushing Cool: Big Tobacco, Racial Marketing, and the Untold Story of the Menthol Cigarette (2021) excerpt
• Werner, Carl Avery. Tobaccoland: A book about tobacco; its history, legends, literature, cultivation, social and hygienic influences, commercial development, industrial processes and governmental regulation. (1922) online
• Winkler, John K. Tobacco tycoon, the story of James Buchanan Duke (1942) online
• Woofter Jr. T.J. The Plight of Cigarette Tobacco (1931)
• Zhou, Xun Yu; Gilman, Sander L. (2004). Smoke: a global history of smoking. London: Reaktion Books. ISBN 978-1-86189-200-3. 

Epidemiological and medical

• "Composition of tobaccos from countries with high and low incidences of lung cancer. I. Selenium, polonium-210, Alternaria, tar, and nicotine". J. Natl. Cancer Inst. 66 (1): 27–31. January 1981. doi:10.1093/jnci/66.1.27. PMID 6935462. 
• Hecht SS (July 1999). "Tobacco smoke carcinogens and lung cancer". J. Natl. Cancer Inst. 91 (14): 1194–210. doi:10.1093/jnci/91.14.1194. PMID 10413421. 
• Ernster, Virginia, et al. "Women and tobacco: moving from policy to action." Bulletin of the World Health Organization 78 (2000): 891-901. online
• Kluger, Richard. Ashes to Ashes: America's Hundred-Year Cigarette War, the Public Health, and the Unabashed Triumph of Philip Morris (Vintage, 1997). excerpt
• Matuszko, Jan (November 2006). "Tobacco Products Processing Detailed Study". U.S. Environmental Protection Agency. https://www.epa.gov/sites/production/files/2015-09/documents/tobacco-products-processing-study_2006.pdf. 
• Slade, John. "The tobacco epidemic: lessons from history." Journal of psychoactive drugs 21.3 (1989): 281-291. online
• Warner, Kenneth E. 1986. Selling Smoke: Cigarette Advertising and Public Health (American Public Health Association, 1986). online

External links

Wikimedia Commons has media related to Cigarette.

• US Center for Disease Control - Smoking and Health Database
• GLOBALink
• National Clearinghouse on Tobacco and Health - Canada
• Society for Research on Nicotine and Tobacco
• Bibliography on History of Cigarette Smoking

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