Lysergic acid diethylamide, or LSD, is a potent hallucinogen that alters the perception of reality. Researchers at Baylor College of Medicine have discovered changes in the brain, triggered by the ...

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 ...

Every year on April 19th, devoted psychonauts celebrate Bicycle Day—the LSD holiday, akin to 4/20 for cannabis. But the very first Bicycle Day was nothing to celebrate for Albert Hofmann, the Swiss ...

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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 ...

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 ...

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 ...