From empty pills to homeopathy to sham surgery, placebos have powerful effects on the body.

(MEDFORD, MA) The first time the placebo effect really got under my skin was when I read that roughly one-third of people with irritable bowel syndrome improve on placebo treatments alone. Usually this statistic is presented as a fascinating quirk of medicine. My reaction was anger.

Humanity possesses an extremely effective treatment, with essentially zero side effects – and patients need someone else’s permission to use it.

Originally published on theconversation.com, part of the BLOX Digital Content Exchange.