While it may seem like potatoes are good for you, they are actually loaded with carbohydrates that turn to sugar when digested. This can lead to weight gain as well as early onset diabetes. If you absolutely must have your potato fix, we suggest going for the sweet potato. While still high in carbs, sweet potatoes are filled with antioxidants that help fight aging and prevent disease. It’s also important to point out that potatoes are on the Environmental Worker’s Dirty Dozen list for having high levels of pesticides that can interfere with your liver function.