New research published in The Lancet details an association between high cannabis potency — or concentration of tetrahydrocannabinol (THC) — and an increased risk of psychosis and cannabis use ...

The High-Potency Gradient: Teaming up with the National Institute on Drug Abuse, researchers found that adolescents who ...

The legislature's decision to pass, and the governor's decision to sign, a bill allowing more potent pot were severely misguided.

A study published in Molecular Psychiatry is the first to suggest that the use of high-potency cannabis leaves a distinct mark on DNA, providing valuable insights into the biological impact of ...

Ten years ago, the average gram of meth available in the U.S. was 39 percent pure. Today, it is being sold in a nearly pure state, manufactured in Mexican “superlabs” and smuggled across the border to ...

The high-potency cannabis that is now widely available may raise the risk of both psychosis and addiction, a report published Monday in The Lancet Psychiatry finds. Subscribe to read this story ...

Daily cannabis use, especially of the high potency strains, is linked to an increased risk of developing psychosis, according to new research released Tuesday. Subscribe to read this story ad-free Get ...