Cannabis (marijuana , pot, etc.) is the most widely used illegal substance in the world today. According to the 2004 National Survey on Drug Use and Health (NSDUH), approximately 96.8 million (40.2%) Americans ages 12 and older have tried marijuana at least once during their lifetimes. About 25.5 million (10.6%) people reported past year marijuana use, and 14.6 million (6.1%) people reported past month use.
- How Marijuana Works: HowStuffWorks, a reliable online source for clear, unbiased explanations, offers a lively, in-depth description of marijuana the plant and marijuana the drug. Learn more.
- Marijuana vs. Alcohol: Which is Really Worse for Your Health? The question of whether alcohol or marijuana is worse for health is being debated once again, this time, sparked by comments that President Barack Obama made in a recent interview with The New Yorker magazine.
- National Institute on Drug Abuse (NIDA): NIDA, a division of The National Institutes of Health (NIH), supports over 85 percent of the world's research on the health aspects of drug use, abuse and addiction. Its InfoFacts section on marijuana provides a good description on the effects of marijuana use as well as an extensive bibliography.
- National Organization for the Reform of Marijuana Laws: NORML: NORML is a nonprofit lobby organization that intends to provide a voice for Americans who oppose marijuana prohibition. NORML supports a policy of decriminalization, the removal of all criminal penalties for the private possession and responsible use of marijuana by adults, including cultivation for personal use, and casual nonprofit transfers of small amounts.
- Drug Policy Alliance: The Drug Policy Alliance focuses on marijuana law reform in an effort to end marijuana prohibition in the United States and elsewhere. The project brings together public education efforts, strategic litigation, media outreach and federal and state legislative drafting and lobbying to reform prohibitionist marijuana policies.
- Marijuana Policy Project (MPP): MPP's stated purpose is to develop and promote policies to minimize the harm associated with marijuana. They support research, policy development, lobbying, and educational initiatives.