For the first time in history neuroscientists have taken deep look into what happens in a brain under the effects of lysergic diethylamide, or LSD. Scientists injected volunteers with 75 micrograms of ...

They were scientists and writers in the ’40s and ’50s, mystics and musicians in the ’60s and ’70s, neo-psychedelic counter-culturalists in the ’80s and ’90s. And in the 2010s, they’re back — as ...

The brains of subjects lying awake with their eyes closed, under a placebo (left) and the drug LSD (right), are seen when being examined using a functional MRI machine. Reuters Scientists for the ...

A massive backlash against LSD eventually culminated in a 1970 Congressional law declaring it a Schedule 1 drug, meaning it officially has "no accepted medical use" in the U.S.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Exactly 71 years ago, April 19, 1943, Albert ...