Yoni Freedhoff, MD, is an assistant professor of family medicine at the University of Ottawa, where he's the founder and medical director of the Bariatric Medical Institute—dedicated to non-surgical weight management since 2004. Dr. Freedhoff sounds off daily on his award-winning blog, Weighty Matters. Dr. Freedhoff's latest book, The Diet Fix: Why Diets Fail and How to Make Yours Work, will be published by Harmony Books March 4th, 2014.