The purpose of this guide from the National Institute on Drug Abuse is to provide facts which will educate adolescents and teenagers about drug abuse. This NIDA guide makes teens aware of the dangers of drug abuse, by providing scientific facts about various types of drugs in order to help teenages make safe and smart decisions. The guide focuses on the influence various drugs have on the brain to help teens better understand addiction. This NIDA guide covers anabolic steroids, ecstasy (MDMA), inhalants, marijuana, prescription drugs, stimulants (including cocaine), and tobacco, as well as the dangers of HIV/AIDS as associated with drug use.