Why are whole grains more nutritious than processed grains?
Whole grains contain both the outer layer of bran as well as a starchy interior layer, or germ, that are packed with nutrients including protein, fiber, B vitamins, antioxidants and trace minerals, such as iron, zinc, copper and magnesium. A diet rich in whole grains has been shown to reduce the risk of heart disease, type 2 diabetes, obesity and some forms of cancer. Whole-grain diets also improve bowel health by helping to maintain regular bowel movements and promote growth of healthy bacteria in the colon. Processed grains remove the healthy layers, thus depriving the body of essential nutrients. 3. How do fruits and vegetables lower the risk of high blood pressure? An important study called the Dietary Approaches to Stop Hypertension (DASH) study examined the effect on blood pressure of a diet that was rich in fruits, vegetables and low-fat dairy products, and that restricted the amount of saturated and total fat. The researchers found that people with high blood pressure who follo
