A wave of illnesses is bringing scrutiny to a murky marketplace of mushroom gummies and candy. But is a popular red-capped fungus really to blame? Testing shows there's more going on.

The much-anticipated decision has rattled supporters of psychedelic therapies. The drugmaker says it will ask the agency to reconsider.

Two new studies estimate psychedelic use in the U.S. and both find magic mushrooms gaining in popularity, including some folks who just want to get a little bit high, aka microdosing.

Psychedelics researchers and investors are still reeling from last week’s no vote for MDMA by a panel of advisers to the FDA.

Clinical trials of MDMA have been promising, but concerns have emerged about the quality of the research. A June hearing scheduled by the Food and Drug Administration is likely to address them.

Chaplains provide spiritual counsel at some of life's most raw moments. With psychedelic legalization spreading, some chaplains think this role should include facilitating psychedelic trips.

Scientists have made a drug based on LSD that seems to fight depression without producing a psychedelic experience.

A synthetic version of the psychedelic drug ibogaine appears to relieve depression and addiction without producing hallucinations or other dangerous side effects — at least in rodents.

People struggling with treatment-resistant PTSD may soon have a new course of care: MDMA. When used alongside psychotherapy, the synthetic substance in...