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cardiovascular health

If you get to look at dogs and hug them every day, you just might live longer than people who don't have to clean animal hair off their clothes, according to a pair of studies out this month. R A Kearton/Getty Images hide caption

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R A Kearton/Getty Images

The people who got caught up in the exercise boom of the 1970s and stuck with it into their senior years now have significantly healthier hearts and muscles than their sedentary counterparts. David Trood/Getty Images hide caption

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David Trood/Getty Images

Exercise Wins: Fit Seniors Can Have Hearts That Look 30 Years Younger

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