Adolescents who live in California may be more likely to use marijuana since adult recreational marijuana use was legalized in 2016, according to a new report in the Journal of Studies on Alcohol and...

People who use CBD, the non-psychoactive component of cannabis, 40 minutes before driving were able to operate a car just as well as a person who didn't consume any cannabis, researchers found in...

Young adults aren’t drinking as much as they used to. In fact, more than a quarter don’t drink alcohol at all, recent surveys show. It’s good news for health. But there is also a downside...

Adolescents who are bullied about their weight or body shape may be more likely to use alcohol or marijuana than those who are not bullied, according to new research published by the American Psychological...

As the use of marijuana is legalized in an increasing number of U.S. states, the number of people who use the drug daily is on the rise. This upward trend also holds up in women who are pregnant or breastfeeding,...

New research from the Prevention Research Center of the Pacific Institute for Research and Evaluation suggests that legalization and greater retail availability of recreational marijuana is positively...