NEJM Interview: Dr. Pieter Cohen on unsafe dietary supplements and ways for physicians and agencies to share information about them.

Dr. Pieter Cohen is an Assistant Professor of Medicine at Harvard Medical School and a primary care physician at the Cambridge Health Alliance. Stephen Morrissey, the interviewer, is the Managing Editor of the Journal. P.A. Cohen. Hazards of Hindsight - Monitoring the Safety of Nutritional Supplements. N Engl J Med 2014;370:1277-80.