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Diabetes
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Benefits of Exercise for Diabetics
In people with type II diabetes, exercise may improve insulin sensitivity and assist in lowering elevated blood glucose levels into the normal range.
Here's how. When you exercise, your body uses more oxygen -- as much as 20 times more -- and even more in the working muscles, than when you are at rest. So the muscles use more glucose to meet their increased energy needs.
At the same time, exercise improves the action of insulin in the peripheral muscles, making it more efficient, so you get more out of the insulin your body is producing.
In older people with diabetes, the decrease in insulin sensitivity that comes with aging is also partly due to a lack of physical activity. So regular exercise benefits you now, and for years to come.
Insulin
Insulin has two critical roles in the body that we cannot live without, yet it can be the root of many health problems, including diabetes. Insulin carries sugar (glucose), fat and protein into your cells where they are used for energy and the repair of your cells. When you eat, a certain amount of the food will be converted into glucose and enter the bloodstream. As the sugar levels rise, the body senses it and the pancreas secretes insulin to lower the sugar. This is insulin's second main function.
If you eat too much of any food, especially carbohydrates (starch and sugar) the levels of glucose in the blood rise to very high levels. In turn this triggers a large release of insulin from the pancreas. Your cells will take what they need and then insulin will begin the process of converting the excess glucose, fat and protein into fat and then put it all away in your fat cells. By combining foods the right way for your body, you will maintain optimum levels of insulin throughout the day. |
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