A new clinical study reports that 20µg of LSD significantly reduces pain perception. This promising investigation builds on the little-known history of research into LSD as a potential analgesic.
For humans, drug doses are based largely on body weight. But in animals, differences in brain and body chemistry make the calculations far more complicated.
Scientists power down the ego and peek inside the brain, focusing on glutamate activity.
Three clinical trials are underway to find out if these psychedelic compounds can provide relief for patients.