Teens who see social media posts showing cannabis or e-cigarettes, including from friends and influencers, are more likely to later start using those substances or to report using them in the past ...

Teens who see social media posts showing cannabis or e-cigarettes, including from friends and influencers, are more likely to later start using those substances or to report using them in the past ...

This Q&A addresses the health risks associated with cannabis use and discusses how federal reclassification might help science understand cannabis better.

The potential risk of cannabis use has been in the spotlight following recent research pointing toward negative health effects. This includes a new meta-analysis by French researchers, published in ...