A stimulant is a drug that increases the activity of the sympathetic nervous system and produces a sense of euphoria or the feeling of being more awake. Stimulants can be used as recreational drugs or therapeutic drugs to increase alertness. They are also used and sometimes abused to boost endurance and productivity as well as to suppress appetite. Examples of common stimulants include caffeine, amphetamines, cocaine, Ritalin and ecstasy.

Amphetamines

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Amphetamines are synthetic stimulants. They were first discovered in the 1800s, but their medical uses were not recognized until the 1930s. Then they were used to counter low blood pressure, help asthmatics breathe more easily and decrease appetite. However, taking a lot, especially over a few days, can produce panic and paranoia. Injecting amphetamine is particularly dangerous. If injecting equipment is shared, there is the risk of infection including hepatitis and HIV.

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One must not lose desires. They are mighty stimulants to creativeness, to love, and to long life. 人は欲望を失ってはいけない。欲望は創造性、愛、そして長い人生の強力な興奮剤である。
david_0718 (david) Sun, 05 Feb 2012 12:55:27 -0000
One must not lose desires. They are mighty stimulants to creativeness, to love, and to long life. 人は欲望を失ってはいけない。欲望は創造性、愛、そして長い人生の強力な興奮剤である。
Be on your guard for ‘bath salt’ stimulants in supplements, warns expert http://t.co/NO916tfC
staylindsbarba (Lindsay Barba) Sun, 05 F Subscribe to Stimulants RSS feed