Yangsheng (Daoism)

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Yangsheng
Reconstructed drawings from the 168 BCE Daoyin tu (Chart for Guiding and Pulling [Qi Circulation]) in the Mawangdui Silk Texts
Chinese name
Traditional Chinese	養生
Simplified Chinese	养生
Literal meaning	nurturing life
Transcriptions Standard Mandarin Hanyu Pinyin Yǎngshēng Wade–Giles Yang-sheng Yue: Cantonese Jyutping Joeng5sang1 Middle Chinese Middle Chinese YangXsræng Old Chinese Baxter–Sagart (2014) *[G]aŋʔsreŋ
Korean name
Hangul	양생
Hanja	養生
Transcriptions McCune–Reischauer Yangsaeng
Japanese name
Kanji	養生
Hiragana	ようじょう
Transcriptions Revised Hepburn Yōjō

In religious Daoism^{[broken anchor]} and traditional Chinese medicine, yangsheng, refers to various self-cultivation practices aimed at enhancing health and longevity. Yangsheng techniques include calisthenics, self-massage, breath exercises, meditation, internal and external Daoist alchemy, sexual activities, and dietetics.

Most yangsheng methods are intended to increase health, longevity, and a few to achieve "immortality"— in the specialized Daoist sense of transforming into a xian ("transcendent", who typically dies after a few centuries, loosely translated as "immortal"). While common longevity practices (such as eating a healthy diet or exercising) can increase one's lifespan and well-being, some esoteric transcendence practices, such as "grain avoidance" diets where an adept eats only qi/breath instead of foodstuffs, or drinking frequently poisonous Daoist alchemical elixirs of life that can be ironically deadly.

The word yangsheng is a linguistic compound of two common Chinese words. Yǎng (養) means

1. Nurture; rear, raise, foster; nourish; tend, care for, look after.
2. Support by providing basic necessities; provide for; maintain, keep in good condition; preserve; watch over.
3. Train; groom; educate in the proper way of carrying out one's responsibilities; cultivate.
4. Nurse; treat so as to aid in recuperation.^[1]

Besides the usual third tone reading yǎng this character has an uncommon alternate fourth tone pronunciation yàng (養) meaning "support and take care of (especially one's parents)". For instance, yàngshēng occurs in the late 4th-century BCE Mengzi, "Keeping one's parents when they are alive [養生者] is not worth being described as of major importance; it is treating them decently when they die that is worth such a description."^[2] Note that the regular and seal characters (e.g., 養) combine a yáng (羊, "sheep", originally picturing a ram's head) phonetic component and shí (食, "food, feed") radical denoting "feed animals", while the ancient oracle and bronze characters (e.g., 䍩) combine yáng (羊, "sheep) and pū (攵, "hit lightly; tap") denoting "shepherd; tend sheep".

Shēng (生) means

1. Live, be alive, exist; life; living being; the act of living; lifetime, lifespan.
2. Cause to live, bring into existence; give birth to, bear; originate; come forth, appear; to grow, develop.
3. Fresh; green; unripe, raw; uncooked; unfamiliar; unacquainted; unskillful, clumsy, inept, awkward, unrefined.
4. Nature, natural instinct, inherent character, intrinsic quality.^[3]

Ancient characters for sheng (生) were pictographs showing a plant growing out of the earth (土).

The unabridged Chinese-Chinese Hanyu Da Cidian ("Comprehensive Chinese Word Dictionary"), lexicographically comparable to the Oxford English Dictionary, gives five definitions of yǎngshēng (養生):

1. 保养生命; 维持生. [Take good care of one's health, preserve one's lifespan]
2. 摄养身心使长寿. [Nourish one's body and mind for longevity]
3. 畜养生物. [Raise animals]
4. 谓驻扎在物产丰富, 便于生活之处. [Be stationed in a healthy location with abundant produce]
5. 生育. [Give birth; raise]

The specialized fourth meaning quotes Zhang Yu's (張預) commentary to The Art of War that says, "An army ordinarily likes heights and dislikes depths, values brightness and disparages darkness, nourishes itself on vitality and places itself on solidity. Thus it will not fall prey to a host of ailments and may be declared 'invincible'."^[4] The Hanyu Da Cidian also gives a definition of yàngshēng (養生), see the Mencius above:

1. 指奉养父母. [Support and take care of one's parents] ^[5]

The idea of yang (養, "nourishing") is prominent in Chinese thought. There is a semantic field that includes yangsheng (養生, "nourish life"), yangxing (養形, "nourish the body"), yangshen (養身, "nourish the whole person"), yangxing (養性, "nourish the inner nature"), yangzhi (養志, "nourish the will"), and yangxin (養心, "nourish the mind").^[6]

"Nourishing life" is the common English translation equivalent for yangsheng. Some examples of other renderings include "keep in good health; nourish one's vital principle",^[7] "nurturing vitality", "nourishing the vitality",^[8] longevity techniques",^[9] and "nurturing life”, “cultivating life”.^[10]

Some sinologists translate yangsheng and yangxing (養性) as "macrobiotic", using English macrobiotic in its original meaning "Inclined or tending to prolong life; relating to the prolongation of life" instead of its more familiar macrobiotic diet meaning, "Of or pertaining to a Zen Buddhist dietary system intended to prolong life, comprising pure vegetable foods, brown rice, etc." (OED 2009). The first example was Alfred Forke's 1907 translation of Wang Chong's 80 CE Lunheng, mentioned below. Wang's autobiography says that near the end of his life, "he wrote a book on Macrobiotics [養性] in sixteen chapters. To keep himself alive, he cherished the vital fluid [養氣]."^[11] Joseph Needham and Lu Gwei-djen say,

Macrobiotics is a convenient term for the belief that it is possible to prepare, with the aid of botanical, zoological, mineralogical and above all chemical, knowledge, drugs or elixirs [dan 丹] which will prolong human life beyond old age [shoulao 壽老], rejuvenating the body and its spiritual parts so that the adept [zhenren 真人] can endure through centuries of longevity [changsheng 長生], finally attaining the status of eternal life and arising with etherealised body a true Immortal [shengxian 升仙].^[12]

Donald Harper translates yangsheng and changsheng (長生, "long life") in the Mawangdui Silk Texts as "macrobiotic hygiene" (2009). Changsheng is used in the Mawangdui medical manuscripts to designate "a somatic form of hygiene centering mainly on controlled breathing in conjunction with yogic exercises", comparable with the classical Greek gymnosophists.^[13]

Information about yangsheng "nourishing life" health cultivation was traditionally limited to received texts including the Chinese classics, until this corpus was augmented by some second-century BCE medical manuscripts discovered in the 1970s.

In Western Han dynasty (202 BCE – 9 CE) tombs, Chinese archeologists excavated manuscript copies of ancient texts, some previously unknown, which included several historically important medical books that came to be known as the "medical manuals." Scribes occasionally copied texts on valuable silk but usually on bamboo and wooden slips, which were the common medium for writing documents in China before the widespread introduction of paper during the Eastern Han (25 BCE–220 CE). Fifteen medical manuscripts, among the Mawangdui Silk Texts, were excavated in 1973 at the Mawangdui archaeological site (modern Changsha, Hunan). Two others, among the Zhangjiashan Han bamboo texts, were discovered in 1983 at Mount Zhangjia (張家山) (Jiangling County, Hubei). Both locations were in the Han-era Changsha Kingdom (202 BCE-33 CE).^[14]

The Mawangdui manuscripts were found in a tomb dated 168 BCE, while Harper places the redaction of the manuscripts in the third century BCE.^[15] Six of the fifteen texts can be directly related to the yangsheng medical tradition of nourishing life. Two, the He yinyang (合陰陽, "Conjoining, harmony of Yin and Yang") and the Tianxia zhidao tan (天下至道谈, "Discussion of the Perfect Way in All Under Heaven"), mainly focus on techniques of sexual cultivation and essence presivation. Two others, the Yangshengfang (養生方, "Recipes for Nourishing Life") and the Shiwen (十問, "Ten Questions"), similarly have sections on sexology, but also discuss breathing techniques, food therapies, and medicines.^[16] The Quegu shiqi (卻穀食氣, "The Rejection of Grains and Absorption of Qi) deals mainly with techniques of eliminating grains and ordinary foodstuffs from the diet and replacing them with medicinal herbs and qi, through special fuqi (服氣, "breath ingestion") exercises. The text repeatedly contrasts "those who eat qi" with "those who eat grain" and explains this in cosmological terms, "Those who eat grain eat what is square; those who eat qi eat what is round. Round is heaven; square is earth."^[17] The Daoyin tu (導引圖, "Gymnastics Chart") above contains color illustrations of human figures performing therapeutic gymnastics. Some of the recognizable captions refer to the names of exercises, such as xiongjing (熊經, "bear hangs") and niaoshen (鳥伸, "bird stretches"), mentioned in the Zhuangzi and other texts below.^[18]

The Zhangjiashan cache of manuscripts written on bamboo slips were excavated from a tomb dated 186 BCE, and contained two medical books. The Maishu comprises several texts that list ailments and describe the eleven meridians before the addition of the pericardium channel. The collection is closely related to the Mawangdui meridian texts and both briefly describe yangsheng practices of nourishing life. The Yinshu (引書, "Book on Pulling") outlines a daily and seasonal health regimen, including hygiene, dietetics, sleeping and recovery; then it details fifty-seven preventative and curative gymnastic exercises, and massage techniques; and concludes with the etiology and the prevention of diseases. The text recommends various therapies, such as breathing exercises, bodily stretches, and careful treatment of the interior qi. It says: "If you can pattern your qi properly and maintain your yin energy in fullness, then the whole person will benefit." The Yinshu considered longevity techniques as limited to the aristocracy and upper classes, and makes a distinction between "upper class people" who fall ill owing to uncontrolled emotions such as extreme joy or rage, and less-fortunate individuals whose diseases tend to be caused by excessive labor, hunger, thirst and poor or evil qi/air. Since the latter have no opportunity to learn the essential breathing exercises, they consequently become sick and die an early death.^[19] The Yinshu manuscript is the "earliest known systematized description of therapeutic exercise in China, and possibly anywhere in the world."^[20]

Classics from the Han dynasty (202 BCE-220 CE) first mentioned yangsheng techniques. The Daoist Zhuangzi has early descriptions of yangsheng, notably Chapter 3 titled Yangsheng zhu (養生主, "Essentials for Nurturing Life"), which is in the pre-Han "Inner Chapters" attributed to Zhuang Zhou (c. 369-286 BCE). In the fable about Lord Wenhui (文惠君) coming to understand the Dao while watching Cook Ding (庖丁) cut up an ox, he exclaims how wonderful it is "that skill can attain such heights!"

The cook replies, "What your servant loves is the Way, which goes beyond mere skill. When I first began to cut oxen, what I saw was nothing but whole oxen. After three years, I no longer saw whole oxen. Today, I meet the ox with my spirit rather than looking at it with my eyes. My sense organs stop functioning and my spirit moves as it pleases. In accord with the natural grain [依乎天理], I slice at the great crevices, lead the blade through the great cavities. Following its inherent structure, I never encounter the slightest obstacle even where the veins and arteries come together or where the ligaments and tendons join, much less from obvious big bones." ... " "Wonderful!" said Lord Wenhui. "From hearing the words of the cook, I have learned how to nourish life [養生]."^[21]

Two other Zhuangzi chapters mention yangsheng. In the former context, Duke Wei (威公), the younger brother of King Kao of Zhou (r. 440-426 BCE), asked Tian Kaizhi (田開之) what he had learned from his master Zhu Shen (祝腎, "Worthy Invoker"), who replied, "I have heard my master say, 'He who is good at nurturing life [善養生者] is like a shepherd [牧羊]. If he sees one of his sheep lagging behind, he whips it forward'." In order to explain what this means, Tian contrasted a frugal Daoist hermit named Solitary Leopard (單豹) who lived in the cliffs, only drank water, and was healthy until the age of seventy when a tiger killed him, with a wealthy businessman named Chang Yi (張毅) who rushed about in search of profits, but died of typhoid fever at the age of forty. "Leopard nourished his inner being and the tiger ate his outer person. Yi nourished his outer person and sickness attacked his inner being. Both of them failed to whip their laggards forward."^[22] This shepherding wordplay recalls the ancient characters for yang (養, "nourish"), such as 䍩 combining yáng (羊, "sheep") and pū (攵, "hit lightly; tap") denoting "shepherd; tend sheep", discussed above.

The latter story concerns the Lord of Lu (魯君) who heard that the Daoist Yan He (顏闔) had attained the Way and dispatched a messenger with presents for him. Yan "was waiting by a rustic village gate, wearing hempen clothing and feeding a cow by himself." When the messenger tried to convey the gifts, Yan said, "I'm afraid that you heard incorrectly and that the one who sent you with the presents will blame you. You had better check." The messenger went back to the ruler, and was told to return with the presents, but he could never again find Yan He, who disliked wealth and honor. "Judging from this, the achievements of emperors and kings are the leftover affairs of the sages, not that which fulfills the person or nourishes life [完身養生]. Most of the worldly gentlemen of today endanger their persons and abandon life in their greed for things. Is this not sad?"^[23]

Three Zhuangzi chapters mention yangxing (養形, "nourishing the body"). One has the earliest Chinese reference to ways of controlling and regulating the breath.^[24] It describes daoyin ("guiding and pulling [of qi]") calisthenics that typically involving bending, stretching, and mimicking animal movements.^[6]

Blowing and breathing, exhaling and inhaling, expelling the old and taking in the new, bear strides and bird stretches—all this is merely indicative of the desire for longevity. But it is favored by scholars who channel the vital breath and flex the muscles and joints, men who nourish the physical form [養形] so as to emulate the hoary age of Progenitor P'eng.^[25]

Although the Zhuangzi considers physical calisthenics inferior to more meditative techniques, this is a highly detailed description.^[26]

Another Zhuangzi chapter describes the limitations of yangxing (養形, "nourishing the body");^[27] "How sad that the people of the world think that nourishing the physical form [養形] is sufficient to preserve life! But when it turns out that nourishing the physical form [養形]is insufficient for the preservation of life, what in the world can be done that is sufficient?"^[28]

The 139 BCE Huainanzi is an eclectic compilation, attributed to Liu An, from various Hundred Schools of Thought, especially Huang–Lao religious Daoism. ‘’Huainanzi’’ Chapter 7 echoes ‘’Zhuangzi’’ 15 disparaging yangsheng techniques because they require external supports.

If you huff and puff, exhale and inhale, blow out the old and pull in the new, practice the Bear Hang, the Bird Stretch, the Duck Splash, the Ape Leap, the Owl Gaze, and the Tiger Stare: This is what is practiced by those who nurture the body [養形]. They are not the practices of those who polish the mind [e.g., the Perfected, 至人]. They make their spirit overflow, without losing its fullness. When, day and night, without injury, they bring the spring to external things [物], they unite with, and give birth to, the seasons in their own minds.^[29]

This criticism "gives a fascinating glimpse into the similarities", perceived even in the second century BCE, "between the qi cultivation practiced for physical benefits and the qi cultivation practiced for more transformative and deeply satisfying spiritual benefits, which seems to have involved more still sitting than active movement."^[30]

The Huainanzi uses the term yangxing (養性, "nourishing one's inner nature") to denote mind-body techniques such as dietary regimens, breathing meditation, and macrobiotic yoga. "Since nature is the controlling mechanism of both consciousness and vitality, 'nourishing one's nature' produces both elevated states of consciousness and beneficial conditions of bodily health and longevity."^[31] For instance,

Tranquility and calmness are that by which the nature is nourished [養性]. Harmony and vacuity are that by which Potency is nurtured [養德]. When what is external does not disturb what is internal, then our nature attains what is suitable to it. When the harmony of nature is not disturbed, then Potency will rest securely in its position. Nurturing life [養生] so as to order the age, embracing Potency so as to complete our years, this may be called being able to embody the Way.^[32]

Another Huainanzi context compares five yang- "nourish; nurture" techniques.

In governing the self, it is best to nurture the spirit [yangshen 養神]. The next best is to nurture the body [yangxing 養形]. In governing the state, it is best to nurture transformation [yanghua 養化]. The next best is to correct the laws. A clear spirit and a balanced will, the hundred joints all in good order, constitute the root of nurturing vitality [yangxing 養性]. To fatten the muscles and skin, to fill the bowel and belly, to satiate the lusts and desires, constitute the branches of nurturing vitality [yangsheng 養生].”^[33]

The circa first century BCE Huangdi Neijing ("Inner Classic of the Yellow Emperor") discusses varied healing therapies, including medical acupuncture, moxibustion, and drugs as well as life-nourishing gymnastics, massages, and dietary regulation. The basic premise of longevity practices, which permeates the entire text "like a red thread", is to avoid diseases by maintaining the vital forces for as long as possible.^[34] The Suwen (素問, "Basic Questions"), section echoes the early immortality cult, and says the ancient sages who regulated life in accordance with the Dao could easily live for a hundred years, yet complained that "these good times are over now, and people today do not know how to cultivate their life".^[35]

The astronomer, naturalist, and skeptical philosopher Wang Chong's c. 80 CE Lunheng ("Critical Essays") criticizes many Daoist beliefs particularly yangxing (養性, "nourishing one's inner nature").^[36] The Lunheng only uses yangsheng once; the "All About Ghosts" (訂鬼) chapter explains how heavenly qi (tr. "fluid") develops into ghosts and living organisms, "When the fluid is harmonious in itself, it produces and develops things [養生], when it is not, it does injury. First, it takes a form in heaven, then it descends, and becomes corporeal on earth. Hence, when ghosts appear, they are made of this stellar fluid."^[37]

Wang Chong's "Taoist Untruths" (道虛) chapter debunks several yangsheng practices, especially taking "immortality" drugs, bigu grain avoidance, and Daoist yogic breathing exercises.^[38]

Daoist waidan alchemists frequently compounded elixirs of "immortality", some of which contained lethal ingredients such as mercury and arsenic that could cause elixir poisoning or death. One Lunheng anti-drug passage repeats the phrase tunyao yangxing (吞藥養性, "gulp down drugs and nourish one's nature") in a botanical example of natural aging.

The human hair and beard, and the different colours of things, when young and old, afford another cue. When a plant comes out, it has a green colour, when it ripens, it looks yellow. As long as man is young, his hair is black, when he grows old, it turns white. Yellow is the sign of maturity, white of old age. After a plant has become yellow, it may be watered and tended ever so much, it does not become green again. When the hair has turned white, no eating of drugs nor any care bestowed upon one’s nature [吞藥養性] can make it black again. Black and green do not come back, how could age and decrepitude be laid aside? ... Heaven in developing things can keep them vigorous up till autumn, but not further on till next spring. By swallowing drugs and nourishing one's nature [吞藥養性] one may get rid of sickness, but one cannot prolong one's life, and become an immortal.^[39]

Admitting that while some medicines could improve one's health, Wang Chong denied that any could transform one into a xian transcendent.

The Taoists sometimes use medicines [服食藥物] with a view to rendering their bodies more supple and their vital force stronger, hoping thus to prolong their years and to enter a new existence. This is a deception likewise. There are many examples that by the use of medicines the body grew more supple and the vital force stronger, but the world affords no instance of the prolongation of life and a new existence following. … The different physics cure all sorts of diseases. When they have been cured, the vital force is restored, and then the body becomes supple again. According to man’s original nature his body is supple of itself, and his vital force lasts long of its own accord. … Therefore, when by medicines the various diseases are dispelled, the body made supple, and the vital force prolonged, they merely return to their original state, but it is impossible to add to the number of years, let alone the transition into another existence.^[40]

The "Taoist Untruths" chapter describes Daoist grain-free diets in terms of bigu (辟穀, "avoiding grains") and shiqi (食氣, "eat/ingest breath"). It says that Wangzi Qiao (王子喬), a son of King Ling of Zhou (571-545 BCE), practiced bigu, as did Li Shaojun (fl. 133 BCE).

The idea prevails that those who abstain from eating grain [辟穀], are men well versed in the art of Tao. They say e.g., that [Wangzi Qiao] and the like, because they did not touch grain, and lived on different food than ordinary people, had not the same length of life as ordinary people, in so far as having passed a hundred years, they transcended into another state of being, and became immortals. That is another mistake. Eating and drinking are natural impulses, with which we are endowed at birth. Hence the upper part of the body has a mouth and teeth, the inferior part orifices. With the mouth and teeth one chews and eats, the orifices are for the discharge. Keeping in accord with one's nature, one follows the law of heaven, going against it, one violates one's natural propensities, and neglects one's natural spirit before heaven. How can one obtain long life in this way? … For a man not to eat is like not clothing the body. Clothes keep the skin warm, and food fills the stomach. With a warm epidermis and a well-filled belly the animal spirits are bright and exalted. If one is hungry, and has nothing to eat, or feels cold, and has nothing to warm one’s self, one may freeze or starve to death. How can frozen and starved people live longer than others? Moreover, during his life man draws his vital force from food, just as plants and trees do from earth. Pull out the roots of a plant or a tree, and separate them from the soil, and the plant will wither, and soon die. Shut a man's mouth, so that he cannot eat, and he will starve, but not be long-lived.^[41]

Another passage describes shiqi (食氣, "eating/ingesting breath", tr. "eats the fluid") as a means to avoid eating grains.

The Taoists exalting each other's power assert that the "pure man" [真人] eats the fluid [食氣], that the fluid is his food. Wherefore the books say that the fluid-eaters live long, and do not die, that, although they do not feed on cereals, they become fat and strong by the fluid. This too is erroneous. What kind of fluid is understood by fluid? If fluid of the Yin and the Yang be meant, this fluid cannot satiate people. They may inhale this fluid, so that it fills their belly and bowels, yet they cannot feel satiated. If the fluid inherent in medicine be meant, man may use and eat a case full of dry drugs, or swallow some ten pills. But the effects of medicine are very strong. They cause great pain in the chest, but cannot feed a man. The meaning must certainly be that the fluid-eaters breathe, inhaling and exhaling, emitting the old air and taking in the new. Of old, P'êng Tsu used to practise this. Nevertheless he could not live indefinitely, but died of sickness.^[42]

Besides shiqi ("eating qi/breath") above, the Lunheng also refers to Daoist breath yoga as daoqi (導氣, "guide the qi/breath").

Many Taoists hold that by regulating one's breath one can nourish one's nature [導氣養性], pass into another state of being, and become immortal. Their idea is that, if the blood vessels in the body be not always in motion, expanding and contracting, an obstruction ensues. There being no free passage, constipation is the consequence, which causes sickness and death. This is likewise without any foundation. Man’s body is like that of plants and trees. … When plants and trees, while growing, are violently shaken, they are injured, and pine away. Why then should man by drawing his breath and moving his body gain a long life and not die? The blood arteries traverse the body, as streams and rivers flow through the land. While thus flowing, the latter lose their limpidity, and become turbid. When the blood is moved, it becomes agitated also, which causes uneasiness. Uneasiness is like the hardships man has to endure without remedy. How can that be conducive to a long life?^[43]

The Han Confucian moralist Xun Yue's (148–209) Shenjian (申鋻, Extended Reflections) has a viewpoint similar with Wang Chong's interpretation of cultivating the vital principle. One should seek moderation and harmony and avoid any excesses, and the breath should be circulated to avoid blocks and stagnation, just as the mythical Yu the Great did when he succeeded in quelling the flood waters.^[36]

During the Six Dynasties (222–589), yangsheng continued to develop and diversify in Daoist, Xuanxue ("Arcane Learning"), and medical circles.

The polymath Ji Kang (223–262), one of the Daoist Seven Sages of the Bamboo Grove, wrote a text titled Yangsheng lun (飬生論, "Essays on Nourishing Life"). The early Zhuangzi commentator Xiang Xiu (227–272) wrote a criticism with the same title, and Ji replied in his Danan Yangsheng lun (答難飬生論, "Answer to [Xiang Xiu's] Refutation of 'Essays on Nourishing Life'"). Ji Kang believed that achieving immortality was attainable, but only for those who have extraordinary qi, yet even those without it who practice longevity techniques can achieve a lifespan of several hundred years.^[35]

The Daoist scholar Ge Hong's 318 CE Baopuzi ("Master Who Embraces Simplicity") describes many techniques of yangsheng (養生) and changsheng (長生, "longevity"), which Ware translates as "nurturing of life" and "fullness of life".^[44] Methods of neixiu (內修, "inner cultivation") include tuna (吐納, "breathing techniques"), taixi (胎息, "embryonic breathing"), daoyin (導引, "gymnastics"), and xingqi (行氣, "circulation of breath/energy"), which are all old forms of what is today known as qigong (氣功). Methods of waiyang (外養, "outer nourishment") include xianyao (仙藥, "herbs of immortality"), bigu (辟穀, "avoiding grains"), fangzhongshu (房中術, "bedchamber arts"), jinzhou (禁咒, "curses and incantations"), and fulu (符籙, "talismanic registers").^[45]

Ge Hong quotes the Huangdi jiuding shendan jing (黃帝九鼎神丹經, "The Yellow Emperor's Manual of the Nine-Vessel Magical Elixir").

The Yellow Emperor rose into the sky and became a genie after taking this elixir. It adds that by merely doing the breathing exercises and calisthenics and taking herbal medicines one may extend one's years but cannot prevent ultimate death. Taking the divine elixir, however, will produce an interminable longevity and make one coeval with sky and earth; it lets one travel up and down in Paradise, riding clouds or driving dragons.^[46]

The Baopuzi makes a clear distinction between longevity and immortality, listing three types of immortals: celestial (tiānxiān, 天仙), earthly (dìxiān, 地仙), and corpse-liberated (shījiě xiān, 尸解仙). Engelhardt says, "The foundation of immortality in any form, then, is a healthy life. This means that one must avoid all excesses and prevent or heal all diseases." Taking a fundamentally pragmatic position on yangsheng and changsheng practices, Ge Hong asserts that "the perfection of any one method can only be attained in conjunction with several others."^[47]

The taking of medicines [服藥] may be the first requirement for enjoying Fullness of Life [長生], but the concomitant practice of breath circulation [行氣] greatly enhances speedy attainment of the goal. Even if medicines [神藥] are not attainable and only breath circulation is practiced, a few hundred years will be attained provided the scheme is carried out fuIly, but one must also know the art of sexual intercourse [房中之術] to achieve such extra years. If ignorance of the sexual art causes frequent losses of sperm to occur, it will be difficult to have sufficient energy to circulate the breaths.^[48]

There are inherent dangers for adepts who overspecialize in studying a particular technique.

In everything pertaining to the nurturing of life [養生] one must learn much and make the essentials one's own; look widely and know how to select. There can be no reliance upon one particular specialty, for there is always the danger that breadwinners will emphasize their personal specialties. That is why those who know recipes for sexual intercourse [房中之術] say that only these recipes can lead to geniehood. Those who know breathing procedures [吐納] claim that only circulation of the breaths [行氣] can prolong our years. Those knowing methods for bending and stretching [屈伸] say that only calisthenics can exorcize old age. Those knowing herbal prescriptions [草木之方] say that only through the nibbling of medicines can one be free from exhaustion. Failures in the study of the divine process are due to such specializations.^[49]

Ge Hong advises how to avoid illness.

If you are going to do everything possible to nurture your life [養生], you will take the divine medicines [神藥]. In addition, you will never weary of circulating your breaths [行氣]; morning and night you will do calisthenics [導引] to circulate your blood and breaths and see that they do not stagnate. In addition to these things, you will practice sexual intercourse in the right fashion; you will eat and drink moderately; you will avoid drafts and dampness; you will not trouble about things that are not within your competence. Do all these things, and you will not fall sick.^[50]

The Baopuzi bibliography lists a no-longer extant Yangshengshu (養生書, "Book for Nurturing Life") in 105 juan (卷, "scrolls; fascicles; volumes").^[51]

The Eastern Jin dynasty official and Liezi commentator Zhang Zhan 張湛 (fl. 370) wrote one of the most influential works of the Six Dynasties period, the Yangsheng yaoji (養生要集, "Essentials of Nourishing Life"). For yangsheng health and immortality seekers, this text is said to be equally important as the Daodejing and Huangtingjing (黃庭經, "Yellow Court Classic"), it was "a widely available source of information for the educated but not necessarily initiated reader", until it was lost during the eighth century.^[36] The Yangsheng yaoji is important in the history of yangsheng techniques for three reasons: it cites from several earlier works that would have otherwise been lost, it presents a standard textbook model for many later works, and it is the earliest known text to systematize and classify the various longevity practices into one integrated system.^[52] In the present day, the text survives in numerous fragments and citations, especially in the Yangxing yanming lu (養性延命錄, "On Nourishing Inner Nature and Extending Life"), ascribed to Tao Hongjing (456–536), Sun Simiao's 652 Qianjin fang (千金方, "Prescriptions Worth a Thousand Gold [Pieces]"), as well as in early Japanese medical texts such as the 984 Ishinpō ("Methods from the Heart of Medicine").^[53]

During the Northern and Southern dynasties (420–589), yangsheng incorporated Chinese Buddhist meditation techniques (especially Ānāpānasati "mindfulness of breathing") and Indian gymnastic exercises. Daoist zuowang ("sitting and forgetting") and qingjing (清靜, "clarity and stillness") meditating were influenced by Buddhist practices.^[36]

In the Sui (561–618) and Tang (618–907) dynasties, Daoist and medical circles transmitted essential yangsheng techniques for gymnastics and breathing.^[36] The number of medical texts increased significantly from 36 in the Catalog of the Imperial Library of the Han to 256 in the Catalog of the Imperial Library of the Sui.^[54]

The 610 Zhubing yuanhou lun (諸病源候論, "Treatise on the Origin and Symptoms of Diseases") was compiled upon imperial orders by an editorial committee supervised by the Sui physician and medical author Chao Yuanfang. This work is of "unprecedented scope", and the first systematic treatise on the etiology and pathology of Chinese medicine. It categorizes 1,739 diseases according to different causes and clinical symptoms, and most entries cite from an anonymous text titled Yangsheng fang (養生方, "Recipes for Nourishing Life"), which closely resembles the fourth-century Yangsheng yaoji. The Zhubing yuanhou lun does not prescribe standard herbal or acupuncture therapies for clinical cases but rather specific yangxing (養性) techniques of hygienic measures, diets, gymnastics, massages, breathing, and visualization.^[55]

The famous physician Sun Simiao devoted two chapters (26 "Dietetics" and 27 "Longevity Techniques") of his 652 Qianjin fang (千金方, "Prescriptions Worth a Thousand Gold [Pieces]", see above) to life-nourishing methods. The Qianjin fang is a huge compendium of all medical knowledge in the Tang period, the oldest source on Chinese therapeutics that has survived in its entirety, and is still being used to train traditional physicians today.^[56] Sun also wrote the Sheyang zhenzhong fang (攝養枕中方, "Pillow Book of Methods for Nourishing Life") is divided into five parts: prudence, prohibitions, daoyin gymnastics, guiding the qi, and guarding the One (shouyi 守一). The text identifies overindulgence of any sort as the main reason for illness.^[57] Some shorter texts are also attributed to Sun Simiao, including the Yangxing yanming lu (養性延命錄, "On Nourishing Inner Nature and Extending Life"), the Fushou lun (福壽論, "Essay on Happiness and Longevity"), and the Baosheng ming (保生銘, "Inscription on Protecting Life").^[58]

The Daoist Shangqing School patriarch Sima Chengzhen (司馬承禎, 647–735) composed the 730 Fuqi jingyi lun (服氣精義論, "Essay on the Essential Meaning of Breath Ingestion"), which presented integrated outlines of health practices, with both traditional Chinese physical techniques and the Buddhist-inspired practice of guan (觀, "insight meditation"), as preliminaries for the attainment and realization or the Dao.^[59] The work relies on both Shangqing religious sources and major medical references such as the Huangdi Neijing, and groups all the various longevity techniques around the central notion or absorbing qi. The practical instructions on specific exercises are supplemented by theoretical medical knowledge, such as the five orbs, healing of diseases, and awareness of symptoms.^[56]

Yangsheng practices underwent significant changes from the Song dynasty (960–1279) onward. They integrated many elements drawn from neidan ("inner alchemy") practices, and aroused the interest of scholars. For the Song dynasty alone, there are about twenty books on the subject. An important author of the time was Zhou Shouzhong (周守中), who wrote the Yangsheng leizuan (養生類纂, "Classified Compendium on Nourishing Life"), the Yangsheng yuelan (養生月覽, "Monthly Readings on Nourishing Life"), and other books.^[58] Famous Song literati and poets, such as Su Shi (1007–1072) and Su Dongpo (1037–1101), wrote extensively about their longevity practices. The Song author Chen Zhi's (陳直) Yanglao Fengqin Shu (養老奉親書, "Book on Nourishing Old Age and Taking Care of One's Parents") was the first Chinese work dealing exclusively with geriatrics.^[60] Along the development of Neo-Confucianism and the growth of syncretism among Daoism, Buddhism, and Confucianism in the Ming (1368–1644) and Qing (1644–1912) periods, a number of ethical elements were incorporated into yangsheng.^[58]

During the Ming period, various collections and compendia of longevity writings appeared. Hu Wenhuan (胡文焕), editor of the 1639 edition Jiuhuang Bencao ("Famine Relief Herbal"), wrote the main work on yangsheng, the c. 1596 Shouyang congshu (壽養叢書, "Collectanea on Longevity and Nourishment [of Life]"), which includes the Yangsheng shiji (養生食忌, "Prohibitions on Food for Nourishing Life") and the Yangsheng daoyin fa (養生導引法, "Daoyin Methods for Nourishing Life"). Some works are inclusive treatments of diverse longevity techniques, for example, the dramatist Gao Lian's (fl. 1573–1581) Zunsheng bajian (遵生八笺, "Eight Essays on Being in Accord with Life") described yangsheng diets, breathing methods, and medicines. Other works focus entirely on a single method, such as Tiaoxi fa (調息法, "Breath Regulation Methods") by the Neo-Confucian philosopher Wang Ji (1498–1582).^[60] Another new development under the Ming is the increased integration and legitimization of yangsheng techniques into medical literature. For example, Yang Jizhou's (楊繼洲) extensive 1601 Zhenjiu dacheng (針灸大成, "Great Compendium on Acupuncture and Moxibustion"), which remains a classic to the present day, presents gymnastic exercises for the various qi-meridians.^[61]

Unlike the Ming dynasty, the Qing dynasty produced no important work on yangsheng. In the twentieth century, yangsheng evolved into the modern Westernized science of weisheng (衛生, "hygiene, health, sanitation") on the one hand, and into qigong on the other.^[58]

Dear's anthropological study of yangsgheng's popularity and commercialization in early twenty-first century China makes a contrast with Qigong fever, a 1980s and 1990s Chinese social phenomenon in which the practice of qigong rose to extraordinary popularity, estimated to have reached a peak number of practitioners between 60 and 200 million. While the Qigong fever had a "somewhat austere and Salvationist aspect", the more recent Yangsheng fever, "which covers so much of the same ground in the quest for health and identity, has a certain low-key decadence about it." For instance, using the term yangsheng to advertise deluxe villas in the suburbs, luxury health spas, extravagantly packaged expensive medicines like chongcao (蟲草, Ophiocordyceps sinensis), and tourism to naturally beautiful landscapes, "are some of the markers of the new Yangsheng."^[62]

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