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California Assembly Bill 2254—often referred to as the Ammiano bill—and the Regulate, Control, and Tax Cannabis (RCTC) proposition would legalize marijuana use for those 21 and over in California. The Ammiano bill would allow the state to regulate production and distri- bution and initially apply an excise tax of $50 per ounce. The RCTC proposition […]

Marijuana is the most frequently used illicit substance in the United States. Little is known of the role that macro-level factors, including community norms and laws related to substance use, play in determining marijuana use, abuse and dependence. We tested the relationship between state-level legalization of medical marijuana and marijuana use, abuse, and dependence. Methods: […]

As Reuters noted Dec. 25, 2012. “Marijuana (cannabis) use may be linked to the development of psychotic symptoms in teens – but the reverse could also be true: psychosis in adolescents may be linked to later pot use, according to a new Dutch study.

Recent reports show fewer adolescents believe regular cannabis use is harmful to health. Concomitantly, adolescents are initiating cannabis use at younger ages, and more adolescents are using cannabis on a daily basis.