The DASH diet is designed to lower blood pressure and involves eating more fruits, vegetables, whole grains, fish, poultry, nuts, and fat-free or low-fat dairy products while reducing saturated fat, cholesterol, and total fat. Following the DASH diet means consuming 6-8 servings of grains, 4-5 servings each of vegetables and fruit, 2-3 servings of fat-free or low-fat milk and milk products, and no more than 6 servings of lean meats and poultry per day. The DASH diet is rich in potassium, magnesium, and calcium and aims to reduce sodium intake to lower blood pressure.