A happy campus is a more productive learning environment; and one that has a lower incidence of alcohol and drug abuse.
The National Institute on drug abuse reports the prevalence of MDMA (the active ingredient in Molly) is 12.9% in youth age 18-25.
His partner of 14 years had just died, and he was beginning to descend into alcohol and drug abuse.
drug abuse n.
Habitual use of drugs to alter one's mood, emotion, or state of consciousness.