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biological

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LSD

LSD LSD, or lysergic acid diethylamide, is a semisynthetic compound derived from ergot that strongly alters perception and produces hallucinations.

LSD, or lysergic acid diethylamide, is a semisynthetic compound derived from ergot that strongly alters perception and produces hallucinations. It acts in complex ways on serotonin systems in both the body and brain, although exactly how it causes its hallucinogenic effects is not fully understood.