For the longest time, doctors basically ignored the most basic and frustrating part of being sick — pain. In this lyrical, informative talk, Latif Nasser tells the extraordinary story of wrestler and doctor John J. Bonica, who persuaded the medical profession to take pain seriously — and transformed the lives of millions.
http://www.ted.com/talks/latif_nasser_the_amazing_story_of_the_man_who_gave_us_modern_pain_relief?language=en