Discovered in 1943, LSD — or lysergic acid diethylamide — was the subject of numerous scientific studies into its psychiatric use during the 1950s and 1960s.

Diplo says he ran a marathon while on LSD. Yes, you read that right. The 44-year-old DJ finished the Los Angeles Marathon last weekend in 3 hours and 35 minutes, he said recently on social media ...

One dose of LSD in a clinical trial significantly improved anxiety and lasted for 12 weeks, convincing the FDA to give the drug a breakthrough therapy designation.

When the federal government banned LSD as a dangerous drug in 1971, it also restricted any further research on the drug and other known psychedelics. But scientists hadn't forgotten its early promise.

In their study of participants on LSD, the team used a technique called “connectome-harmonic decomposition” to show the ways in which LSD alters connections among and within areas of the brain.

Flashback: LSD Creator Albert Hofmann Drops Acid for the First Time The Swiss chemist created LSD in 1936 – but it wasn't until 1943 that he first dosed himself and went on a magical bicycle ride ...

LEILA FADEL, HOST: Today, April 19, is the unofficial anniversary of the first ever recorded use of LSD. A MARTÍNEZ, HOST: Bicycle Day marks a hallucinogenic ride that's considered the birth of ...