Definition of dependence on marijuana, diagnosis, treatment, research and links.

Links to a fact sheet, research report, articles, monographs, and other publications, from the National Institute on Drug Abuse.

A discussion about the different forms of cannabis, their adverse consequences and links for further reading.

Science-based information about the effects of marijuana on your brain and body.

A resource for all people who have problems when they try to stop smoking cannabis.

Information on marijuana and hashish, presented by the Church of Scientology.