Lysergic acid diethylamide (LSD), also known as acid, was accidentally discovered in the late 1930s by a pharmaceutical researcher. Not getting the results he wanted initially, Albert Hofmann ...

When LSD was made illegal in the late 1960s, most laboratory research on the drug was likewise suspended. As a result, the best knowledge we’ve got of how the drug works comes from studies way back in ...

LSD, also known as “acid,” is a drug that causes hallucinations and other effects lasting up to 12 hours. Just why LSD’s effects are so long-lasting has previously perplexed scientists, until now.

If you decide to drop acid, you’ll want to clear your schedule: A trip on lysergic acid diethylamide can last anywhere between six and 20 hours. Why acid trips last so long has been a mystery — until ...

Acid is human-made and developed from a substance found in ergot, which is a fungus. Its name is lysergic acid diethylamide (LSD), and it can last up to 12 hours Acid is a colorless, odorless liquid.

Oaklander is a senior editor at TIME. Oaklander is a senior editor at TIME. What exactly happens to the brain on psychedelic drugs? A small new study, published in the journal Current Biology, peeked ...