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. The potency of cannabis — measured ...

The Mental Health Project is a Seattle Times initiative focused on covering mental and behavioral health issues. It is funded by Ballmer Group, a national organization focused on economic mobility for ...

With national cannabis legalization poised to be introduced in the Senate, states that legalized recreational marijuana 10 years ago are now studying the public health implications of a variety of new ...