Center on Substance Abuse. A nonprofit organization working to
minimize the harm associated with the use of alcohol, tobacco
and other drugs. Useful site full of resources. A good entrance
door to understand drug abuse better.
Scientific information on drug abuse
from the National Institute on Drug Abuse in the USA.
Gives good information to young people, especially children. Voices
of Youth (Voy) also allows young people to exchange ideas with
others around the world on various issues.