Dawn Megli - KFF Health News

Mounting evidence suggests psychoactive drugs including LSD, ketamine, mushrooms and MDMA can be powerful treatments for severe depression and PTSD. But not everyone is convinced.

Ketamine, approved as an anesthetic in 1970, is emerging as a major alternative mental health treatment. But more than 500 clinics have popped up around the country, including Florida, with little regulation and widely varying treatments.