Jon Alain Guzik

THR writer.

A woman carries a flag bearing marijuana symbols at the Coachella Valley Music & Arts Festival at the Empire Polo Club on April 12, 2014 in Indio, Calif.

Mushrooms, Hallucinogens & LSD Making a Comeback in Teeny-Tiny Microdoses

"There are a ton of people doing hallucinogenic drugs in Hollywood right now," says a well-known L.A.-based media entrepreneur who has been experimenting with microdosing — or taking small amounts of illegal psychedelics such as LSD, mushrooms and the ibogaine plant to aid memory and cognitive abilities.