Breathing is the fastest and most efficient way to oxygenate your body, but most people use half or less than half of their lung capacity. Deep breathing can give your lungs a workout and increase lung capacity.

One technique that is easy and works well is to exhale as much air from your lungs as possible. Next, breathe REALLY deep lungs full of air through your nose, and hold the air for 5 seconds. Repeat ten times. It only takes a minute to do this. You can do it at a stop light, or when taking a brain break. A great time to deep breathe is after a meal.

You should do deep breathing throughout the day. If you do this once per hour over ten hours, you will expand lung capacity, and expand oxygenation. If you are oxygen starved, this technique will cause a light-headed feeling at first. When you stop feeling light-headed, you are making progress.

Physical exercise causes deeper, faster breathing. Athletes are usually oxygen sufficient, but athletes can do deep breathing exercises on the days between workouts, and get additional benefits from the oxygen. If you are unable to do a physical workout, deep breathing is definitely for you.

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