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 ...

It’s no secret that being on acid — also known as LSD, or lysergic acid diethylamide — can make the mundane seem full of meaning, but now we may know why. And not only that, scientists may have ...

Lysergic acid diethylamide (LSD), or acid, lasts up to 12 hours in the body and is metabolized within 48 hours. When you take it orally, it’s absorbed by your gastrointestinal system and channeled ...

Objects appeared to gain in relief; they assumed unusual dimensions; and colors became more glowing. Even self-perception and the sense of time were changed. When the eyes were closed, colored ...

For many, the psychedelic Sixties began at an event called the Trips Festival that took place in San Francisco the third weekend of January 1966. At the three-day blowout, between 3,000 and 5,000 ...

The story of Revolver began in a night of hell and illumination. "We've had LSD," John Lennon told George Harrison. It was spring 1965. Lennon and his wife, Cynthia, and Harrison and his wife, Pattie ...