India, May 26 -- A new study from Sweden, published by the American Medical Association, has found that a single dose of psilocybin, combined with therapy sessions, can quickly reduce symptoms of depression, with benefits lasting for several months.

Researchers from Karolinska Institutet and the Brain Stimulation Clinic in Stockholm conducted the phase 2 clinical trial involving 35 people with moderate-to-severe depression. Participants received either a 25 mg dose of psilocybin or a placebo called niacin, which can cause symptoms including temporary skin flushing similar to some physical effects of psychedelics.

All participants also attended five psychotherapy sessions during the study. The therapy was designed to support patients befor...