Amphetamines represent a category of drugs known as stimulants and speed up the central nervous system. They act in a similar way as the natural hormone adrenaline would in the body.

Amphetamines include dextroamphetamines (legally manufactured medications) which have been used for hyperactivity, sleeping and eating disorders; and methamphetamines (illegally manufactured substances eg tik.

Short term effects may include: increased alertness and energy, feeling of well-being, increased heart ra...
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