LSD Brings Your Brain to the Edge of Chaos

This new LSD study is like an acid trip all on its own. One Saturday in 1964, neurologist Oliver Sacks took a bit of amphetamines, LSD, a “touch” of cannabis, faced a white wall in his home, and said “I want to see indigo now—now!” “And then,” he wrote in the New Yorker in 2012, “as if thrown by a …