Unsupervised use of hallucinogens like LSD is high, posing significant risks. However, LSD is being clinically tested for treating anxiety and so far seems effective.

LSD is a relatively new drug, compared to many others. And its history has been influenced by some unlikely groups.

We’re talking about psychedelic drugs like LSD, ketamine, and magic mushrooms ... The new acceptance for psychedelics in the medical community comes as marijuana goes mainstream.

The CIA saw LSD as a potential "truth serum," according ... The facility's chief medical doctor was Operation Paperclip's Dr. Walter Schreiber, the former Surgeon General of the Third Reich.

Classic psychedelics were generally well-tolerated by healthy participants, and serious adverse events were rarely reported across groups.