Good Calories, Bad Calories by Gary Taubes clearly explains one of the key points I make with all my clients.  You need to understand, despite what we are told (unless of course you are with me), all calories are not created equal.  The type of food the calories are from is critical.  Taubes provides the scientific evidence linking refined carbohydrates and particularly sugar not only diabetes, but heart disease as well.  He also shows the lack of any true evidence that saturated fat and cholesterol cause heart disease. The book gives the history, the “science”, and the poltics behind these food “controversies”.  This book will be eye-opening to many, and should be required reading in our medical schools!