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.
Psilocybin, the hallucinogenic substance found in "magic" mushrooms, appears to relieve the symptoms of major depression.
Doctors have a new option for suicidal patients. It's a fast-acting nasal spray containing a version of the anesthetic ketamine.