Altered States: Buddhism and Psychedelic Spirituality in America

In the 1960s, Americans combined psychedelics with Buddhist meditation to achieve direct experience through altered states of consciousness. As some practitioners became more committed to Buddhism, they abandoned the use of psychedelics in favor of stricter mental discipline, but others carried on with the experiment, advancing a fascinating alchemy called psychedelic Buddhism.

Many think exploration with psychedelics in Buddhism faded with the revolutionary spirit of the sixties, but the u...