A doctor discovers the surprising truth about marijuana No substance on earth is as hotly debatedas marijuana. Opponents claim it's dangerous, addictive, carcinogenic, and a gateway to serious drug abuse. Fans claim it as a wonder drug, treatingcancer, anorexia, AIDS, chronic pain, glaucoma, arthritis, migraines, PTSD, and insomnia. Patients suffering from these conditions need-and deserve-hard facts based on medical evidence, not hysteria and superstition. In Stoned, palliative care physician Dr. David Casarett sets out to do anything-including experimenting on himself-to find evidence of marijuana's medical potential. He smears mysterious marijuana paste on his legs and samples pot wine. He poses as a patient at a seedy California clinic and takes lessons from an artisanal hash maker. In conversations with researchers, doctors, and patients around the world he learns how marijuana works-and doesn't-in the real world. Dr. Casarett unearths tales of near-miraculous success, such as