Definium Therapeutics skyrocketed Monday after its psychedelics-based depression treatment scored a "best-case" win in final-phase testing.

It’s a Sunday afternoon in November in Amsterdam and I am having trouble preparing my drugs. On a chopping board in front of me is a gnarled chunk of psilocybin or “magic” truffle. It looks like a ...

The Marine Corps is conducting random drug testing at one base in North Carolina because of reports that personnel there are using the hallucinogenic drug lysergic acid diethylamide, better known as ...