In the 1960s, research surfaced linking psychedelic use to an increased risk of cancer. But a new study published in the Journal of Psychopharmacology found no such link. The researchers studied recent data from a large national survey of Americans and found that psychedelic use (e.g., LSD, MDMA, DMT) was not associated with lifetime cancer development. Lysergic acid diethylamide (LSD) was first associated with cancer risk when a 1967 study reported chromosomal damage in human white blood cells after exposure. A series of subsequent studies were released suggesting that LSD may have carcinogen…