AdvertisementTweeting Oncologist Draws Ire And Admiration For Calling Out HypeJune 24, 2018Richard HarrisfacebookEmailDr. Vinay Prasad is 35 and an assistant professor of medicine at Oregon Health and Science University in Portland, where he researches health policy, the high cost of drugs and evidence-based medicine. He has more than 21,000 followers on Twitter. (The Washington Post via Getty Images)