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 ...

It’s no secret that LSD causes vivid hallucinations, altered states of consciousness, one-ness with the universe, and a host of other psychedelic effects. But ever since the trippy chemical was ...

The first time that I took LSD, I accepted three and a half tabs on my tongue from a man dressed up in a monkey suit. Despite the hot summer weather, I raided the winter wardrobe of the house I was ...