Add Yahoo as a preferred source to see more of our stories on Google. Bettmann via Getty Images In November 1956, three people gathered in a converted Connecticut barn to take LSD, a powerful ...

This day—April 19—is the 78th anniversary of the first-ever acid trip. It is affectionately referred to by psychonauts around the globe as Bicycle Day. The psychedelic compound LSD is known primarily ...

BIRMINGHAM, England — Half a century after Timothy Leary urged the world to “Turn on, tune in, drop out,” there’s a surge of interest in lysergic acid diethylamide, or LSD. The psychedelic drug was ...

Callen Ghahramani says he has had persistent visual distortions since trying what he thought was acid as a teenager. His symptoms — severe anxiety and depersonalization — reflect the common features ...

For the uninitiated, the Bicycle Day international holiday might suggest a celebration of bicycles and riding bikes. But that’s only part of the story. Not to be confused with World Bicycle Day, which ...

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Illustration by BORIS SÉMÉNIAKO On Dec. 21, 1967 — the winter solstice, when the sun’s annual perambulations through the ...