Though occasional anxiety as an emotion is considered healthy, an anxiety disorder occurs when said anxiety and fear is pervasive, irrational, and impairs one's quality of life for around six months. According to the DSM-V, those with anxiety are more likely to think about, attempt, or commit suicide.[1]
G.A.D. is the most common anxiety disorder, normally referred to as simply anxiety.
Excessive fear, fatigue, difficulty concentrating, irritability, sleep disturbance and muscle tension that lasts for six months and can not be better explained by medications, circumstances, or another disorder