The Most Important Thing...
...that you can do for your health is to breathe through your nose. Huh? Yes, it is true. Instead of breathing through your mouth, you should breathe through your nose. Why? Because breathing through your nose will give your body nitric oxide. This is very important to your health. Nitric oxide will help move the toxins out of your body. It helps dilate your blood vessels. This is according to the two doctors that authored the book, "You: Staying Young".