In 1943, a chemist in Switzerland synthesized a drug that alters consciousness. His discovery changed the study of medicine, psychiatry and biology—and became a central component of the counterculture ...

But after LSD spread into the larger culture, the U.S. government imposed strict restrictions on it (Dyck, 2008). By 1966, it became very difficult for researchers to conduct expe ...

Dr Albert Hofmann accidentally discovered the hallucinatory effects of LSD in April 1943. In 1986, he told the BBC about a "terrifying" bicycle ride home from the laboratory – and about how his ...