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Even if you exercise, prolonged sitting is harmful
According to the researchers, the more time people spend on their duffs -- whether at a desk, on the couch or in the car -- the greater their risk of premature death, cardiovascular disease, cancer and especially type 2 diabetes.
New York: The harmful effects of too much sitting are clear. A new research now shows prolonged sitting may be harmful, even if you exercise regularly.
Pooling results from more than 40 studies, researchers concluded that the more time people spend on their duffs -- whether at a desk, on the couch or in the car -- the greater their risk of premature death, cardiovascular disease, cancer and especially type 2 diabetes.
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Regular exercise, particularly higher levels of physical activity, appears to blunt these harmful effects somewhat but may not eliminate them entirely.
An analysis of more than a dozen studies concluded that we need at least 60 minutes a day of moderately intense exercise (such as brisk walking, doubles tennis or ballroom dancing) to counter the increased risk of premature death due to prolonged sitting.
But another study found that the same amount of exercise -- which is more than most physically active people get -- doesn't undo the negative effects of sitting on insulin levels and blood fats.
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The damage from prolonged sitting is thought to be due to reduced muscle activity, especially in the large muscles of the legs and back, which can decrease the body's ability to regulate blood sugar and remove harmful blood fats.
Sitting for long periods may also adversely affect blood vessel function and increase food cravings, causing us to eat more and gain weight.
To reduce sitting time, there are actions you can take:
-At work, stand for a few minutes every half-hour, perhaps during phone calls, coffee breaks or meetings.
-If possible, use a desk that lets you work both standing and seated. Or try one attached to a treadmill that allows you to slowly walk while you work.
-In the car, park as far away as possible from the door so you'll be able to walk more. Stand if you ride the bus or subway.
-At home, get up regularly from your computer. Try standing and doing chores while watching TV.
Incorporating short bursts of standing and movement like this will keep you from becoming an "active couch potato," someone who exercises and then remains largely sedentary the rest of the time.
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By thinking of fitness as something that entails what you do the entire day -- not just the relatively few minutes spent sweating -- you'll be able to fully reap the rewards of your workouts. (ANI)