Harvard Heart Letter

The downside of too much sitting

More than half of the average person’s waking hours are spent sitting: watching television, working at a computer, or doing other physically inactive pursuits. But all that sedentary behavior may put people at a higher risk for heart disease, as well as shortening their lives—even if they exercise up to one hour a day. Experts recommend taking steps to sit less throughout the day, such as standing while talking on the phone and doing light exercise during television commercials.
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