What I Learned from Hallucinogens

Dr. Oliver Sacks talks about how hallucinogenic drugs helped him empathize with his patients. HALLUCINATIONS, Dr. Sacks's new book, available now! http://www.oliversacks.com/books/hall... Subscribe to our free newsletter and learn more about the work and world of Dr. Sacks at our website! http://www.oliversacks.com/contact/ol...