The research pooled data from nine double-blind, placebo-controlled studies, and examined the responses of 213 healthy participants aged 25 to 64 who received varying doses of LSD, ranging from 25 ...

(Document 6) * A 1956 memo in which MKULTRA chief Sidney Gottlieb signs off a project that would "evaluate the effects of large doses of LSD-25 in normal human volunteers" on federal prisoners in ...