08-17-2008, 10:05 AM
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Oxygen & the Digestive System
Oxygen & the Digestive System
If you want to maximize metabolism (metabolism is the speed at which your body burns off calories.), breathing is one of the most effective tools becasue the greater your capacity to take in oxygen, the higher your metabolic "burning power" will be.
Breathe in more oxygen and you burn food more fully.
It's really that simple. The digestive system is hungry for oxygen. Certain parts of the stomach lining consume more oxygen that any other tissue in the body. The intestinal villi, our site of primary nutrient absorption, are charged with the job of extracting large quantities of oxygen from the blood during the breakdown of a meal. When the blood lacks oxygen for the villi to pick up, absorption decreases.
The more we eat, the more the body naturally wants us to breathe. After a meal, the parasympathetic nervous system initiates synchronous changes in breathing, blood circulation, and oxygen uptake. In other words, the brain automatically increase air intake to accommodate the need for more oxygen. Breathing more if you eat a lot is the same as exercising more if you eat a lot. If you interfere with the body's natural switch to deeper breathing because of anxiety or overstimulation, you limit your ability to burn calories. The simple rule here is this: If you eat more, breathe more.
To further examine the relationship between oxygen and weight loss, have you ever had the experience of going on a low-calorie diet and not losing any weight, or dieting and losing weight the first week but leveling off despite continuing your low-calorie fare? Many people are perplexed by this mysterious phenomenon, but the reason is quite simple. Your metabolism changed. The body learned to tolertate the meager portions of food you served it by lowering oxygen uptake--decreased oxygen means decreased metabolism. In many cases, weight loss diets actually teach the body to need less oxygen. So by going on a low-calorie diet you may think you're doing what's right for shedding pounds, but you're actually working against yourself.
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