The rate of emergency room department visits during 2009 for stimulants was highest among individuals aged 25-29.
Tolerance to magic mushrooms may occur, especially when they are ingested continuously over a short period of time.
Because of the painful physical and mental consequences of cocaine withdrawal, relapsing back into cocaine abuse is very common because the user feels that using cocaine to avoid withdrawal will work.
Research indicates that the rate of past year use for LSD among high school seniors was higher than rates of use among ninth, tenth, and eleventh graders combined.