It used to be common for researchers to study the potential medicinal uses for hallucinogenic drugs, including psilocybin, ecstasy, and LSD; however, the 60's left a blemish on legitimate research and it grinded to a halt. Host Dr. Leslie Lundt welcomes Dr. Matthew Johnson, a psychopharmacologist in the Department of Psychiatry at the Johns Hopkins School of Medicine, who is studying psychoactive drug effects in human participants.