четвъртък, 22 октомври 2009 г.

Exercise Benefits

. четвъртък, 22 октомври 2009 г.

Exercise Health Benefit 1: Lower cholesterol
As most men get older, cholesterol numbers begin to move in the wrong direction. Levels of so-called bad cholesterol — low-density lipoprotein (LDL) — gradually increase. Levels of good cholesterol, called high-density lipoprotein (HDL), tend to fall. Unfortunately, that combination of high LDL and low HDL is one of the leading risk factors for heart disease. Excess cholesterol accumulates on the inner lining of blood vessels, leading to arthrosclerosis and heart attacks. The best way to keep LDL cholesterol levels down is to eat a diet low in saturated fat (the kind found in meat and high-fat dairy products.) The single best way to boost good HDL cholesterol? Exercise. Limit cholesterol in diet to 300 mg/day.
Exercise Health Benefit 2: Lower triglycerides
Triglycerides are a form of fat found in the blood. Rising triglyceride levels are associated with increased risk of heart disease.
Exercise Health Benefit 3: Lower risk of high blood pressure
As blood pressure climbs, the risk of heart disease and stroke accelerates. Unfortunately, blood pressure levels typically climb as men get older.
Exercise Health Benefit 4: Reduced inflammation
Regular exercise has been shown to reduce levels of C-reactive protein, a measure of inflammation. That matters because cholesterol-laden plaques on the lining of arteries are most likely to break off and cause heart attacks when they become inflamed.
Exercise Health Benefit 5: Better blood vessels
To respond to changing demands for oxygen, blood vessels must be flexible enough to widen and narrow. Smoking, cholesterol build-up, and just plain aging tend to stiffen vessels, increasing heart attack risk. A growing number of studies show that exercise training helps maintain the ability of blood vessels to open and constrict in response to changing physical demands.
Exercise Health Benefit 6: Lower risk of diabetes
Adult onset diabetes — fueled mostly by too much body fat — is one of the biggest health worries on the horizon. Staying active can help you keep the weight off. But research shows that even for people who are overweight or obese, exercise reduces the risk of diabetes. The Diabetes Prevention Program found that an exercise and weight loss program lowered the risk of type 2 diabetes by a whopping 58% over a three-year period. And the volunteers in that program weren’t running marathons. In fact, the exercise they were doing was the equivalent of burning only an additional 593 calories of energy — about the equivalent of walking around six miles a week for most men.

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