The most comprehensive analysis of medicinal cannabinoids and their impact on six mental health disorders -- combining 83 studies including 3,000 people -- suggests that the use of cannabinoids for mental health conditions cannot be justified based on the current…

Spending an hour in talk therapy with a trained counselor costs much more, and takes more time, than swallowing an inexpensive antidepressant pill. But for people with a new diagnosis of major depression, the costs and benefits of the two…