Here is the link: http://www.npr.org/blogs/health/2012/01/03/144632723/calories-trump-protein-for-weight-loss?sc=17&f=1001
Simple rule: Burn more Calories than you take in and you will lose weight. That simple. Your body has to steal energy from your fat reserves when you eat fewer Calories than you burn. We recommend eating a diet full of fruits and vegetables, especially when trying to lose weight. Raw veggies keep more of their nutrients than cooked veggies. Organic choices are also supposed to have more nutrients.