The rise of psychedelic-assisted psychotherapy

After psychoactive drugs like magic mushrooms and LSD were embraced by the US counterculture movement of the 1960s, Richard Nixon's War on Drugs did all it could to suppress the nation's appetite for hallucinogens. But, four decades on, research into the therapeutic applications of psychedelic drugs is booming. To find out more, we sit down with Stéphanie Chayet, journalist and author of "Phantastica".