One of the most famous users and advocates of hallucinogens was a man named Timothy Leary. Leary was a clinical psychologist at Harvard University who happened upon an article published in Life magazine in 1957 describing the psychological and mind-altering effects of "magic mushrooms." Leary was so intrigued by this article that he tried some of these mushrooms himself, and found it to be a life-altering experience. He felt as if hallucinogenic drugs were a good way to "free" one's psyche, learn more about one's self, and obtain a better understanding of life and the universe. Leary went on to found the Harvard Psychedelic Drug Research Program, where he gave hallucinogenic mushrooms to many graduate students and his fellow colleagues at Harvard, as well as some well-known artists, writers, and musicians. Leary also began to experiment with LSD. His work became increasingly controversial, though, because of academic and government policies opposing drug use, and Leary was dismissed from Harvard in 1963. He continued advocating the use of hallucinogens on his own (despite frequent brushes with the law), became the leader of the psychedelic movement of the 1960s and 1970s, and was often referred to as the "Galileo of Consciousness." He died in 1996.
rate, blood pressure, and body temperature. The intensity of these effects is dependent on dosage and an individual's biological makeup. The effects can be caused by the active hallucinogenic chemical itself, or impurities found within the drug.
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