Marijuana use can also lower sperm counts possibly resulting in difficulty in having children.
The negative side effects of habitual cocaine use that was responsible for coining the phrase, "dope fiend".
The number of Americans that use cocaine weekly has remained steady at around a half million since 1983 according to the 1993 Household Drug Survey; 582,000 (0.3% of the population) were frequent cocaine users in 1995 (frequent meaning use on 51 or more d
Methamphetamine kills by causing heart failure, brain damage and stroke.
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Drug prevention and education
