In this interview, Dr. Oz sits down with Dr. David Ludwig to discuss the misconceptions around obesity. Ludwig believes that while our individual genes affect our predisposition to obesity, it’s our environment (the foods we're exposed to daily) that’s really responsible for most of the obesity epidemic in America. He also shares his point of view on low-fat diets and what sugar is really doing to public health.  Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers