Respuesta :

Substance abuse is an unhealthy pattern of alcohol or drug use that usually leads to frequent, serious problems.

KEYWORDS
for searching the Internet and other reference sources

Drug abuse

Marijuana

Hallucinogens

Inhalants

Narcotics

Sedatives

Stimulants



Read more: http://www.humanillnesses.com/Behavioral-Health-Sel-Vi/Substance-Abuse.html#ixzz734bzrGJS