Five years after he created LSD in a lab on this day in 1938, Albert Hofmann accidentally underwent the first acid trip in ...

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

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.

An original copy of a “blotter” used to distribute LSD that was made in homage to a bicycle trip Dr. Hoffman took while on the drug. (Wikimedia Commons) By signing up, you confirm that you are ...