Marijuana Use, Availability, and Production
This section contains information, research, and MPP analysis of policy issues related to marijuana's use, availability, and production in the illegal market created by prohibition.

Medical Marijuana
This section contains information, research, and MPP analysis of medical marijuana's safety, efficacy, and uses as well as examining related policy issues.

Government War on Marijuana and Marijuana Users
This section contains information, research, and MPP analysis of how marijuana prohibition affects law enforcement, marijuana users, and society.

Marijuana Health Effects
This section contains information, research, and MPP analysis of the effects of marijuana use on mental and physical health, and how marijuana's unique, active components -- cannabinoids -- act within the human body.

Policy Analysis and Alternatives
This section contains information, research, and MPP analysis of alternatives to prohibition-based marijuana laws and on the impact of various policies and reforms that have been tried in the U.S. and around the world.