Diabetes Treatment Guidelines 2022. 6 Natural Ways to Prevent Diabetes 1. Eat a healthy diet: Eating a diet that is high in fresh fruits, vegetables, and whole grains can help you maintain a healthy weight and prevent diabetes. Avoid processed foods, sugary drinks, and trans fats. 2. Get regular exercise: Exercise can help you lose weight, lower your blood sugar levels, and improve your insulin sensitivity. Try to get at least 30 minutes of moderate exercise most days of the week. 3. Monitor you