BIRMINGHAM, England — Half a century after Timothy Leary urged the world to “Turn on, tune in, drop out,” there’s a surge of interest in lysergic acid diethylamide, or LSD. The psychedelic drug was ...

In November 1956, three people gathered in a converted Connecticut barn to take LSD, a powerful psychedelic drug that was legal at the time. The children had just been put to bed upstairs. In the ...

In 1857, the American writer Fitz Hugh Ludlow described his experiences with hashish in his memoir The Hasheesh Eater: Being Passages from the Life of a Pythagorean: “It is this process of ...

Starting around 2006, Barnett says there were a number of clinical trials by high-profile, and well-respected scientists whose results indicated that psychedelics had the potential to successfully ...