New York Times best-selling author Dr. Joseph Mercola teams up with cardiovascular expert Dr. James J. DiNicolantonio to cut through the confusion about how dietary fats affect our bodies--and set the record straight on how to eat for optimal health.New York Times best-selling author Dr. Joseph Mercola teams up with Dr. James J. DiNicolantonio, an internationally known and respected scientist who has spent nearly a decade researching the effects of different fats on the body.