An interesting but perhaps not surprising new study by Harvard Medical School has found that fried potatoes are the most fatal food, if your goal is to maintain a healthy adult body weight over time. The new and quite large longitudinal study looked at daily food consumption across more than 100,000 women and men over twenty years, permitting new weight-gain calculations for various foods. As should be clear to everyone by now, unnatural insulin and hunger-inspiring carbohydrate foods dominate the list of the most weight-advancing things to eat. French fries finished first, closely followed by potato chips, with sweetened beverages and other starches and refined carbohydrates such as white bread, white rice, low-fiber breakfast cereal, candy, and desserts in close pursuit. Importantly, also near the top of weight-advancing foods are red meats, which are limited to 25% of protein intake on the HumanaNatura natural diet plan. Learn more about the new study and see how your foods of choice rank at Long Term Weight Gain.