In the years leading up to the roaring 2020s, young people were once again dropping acid. Onetime Harvard psychologist Timothy Leary died almost 25 years ago, after which some of his ashes were ...

LSD (lysergic acid diethylamide), also called “acid,” is a type of synthetic and mind-altering substance (psychedelic). This belongs to a class of drugs called hallucinogens. When you take LSD, even ...