Teens who use cannabis have a higher risk of developing serious psychiatric disorders by young adulthood, found a new study published in JAMA Health Forum. “As cannabis becomes more potent and ...

Teenage cannabis users double their risk of psychotic and bipolar disorders, according to the latest research. They face a ‘significantly higher’ risk of developing serious psychiatric problems by ...

Teen use of marijuana has jumped significantly in recent decades - by 245% since 2000, with over 30% of U.S. high school seniors reporting they'd used the drug in the past year and 6.3% reporting they ...

Adolescents who use cannabis could face a significantly higher risk of developing serious psychiatric disorders by young adulthood, according to a large study published in JAMA Health Forum. The ...

As marijuana use among teens has grown in the past decade, researchers have been trying to better understand the health risks of the drug. Now, a new longitudinal study finds that cannabis use among ...

Adolescent cannabis use is associated with an increased risk for new psychiatric disorders during key developmental stages.

Adolescent cannabis use doubles the risk of psychotic and bipolar disorders, with increased risks for depression and anxiety, by age 26.

Researchers followed more than 400,000 teens until they were adults. It found that those who used marijuana were more likely to develop serious... A huge study finds a link between cannabis use in ...