Technische Universität München

The Entrepreneurial University

Stimulants are able to increase the mood and arousal, eliminating or decreasing feelings of fatigue and possibly to enhance physical performance. The most popular stimulants used for doping purpose are: cocaine, amphetamine, ecstasy and methylphenidate (Ritalin). Nicotine and caffeine are also frequently used as stimulants. The strong psychological adverse effects of excessive use of stimulants is manifested by paranoia, restlessness, irritability and aggressiveness. Quick addiction to stimulants may develop.