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When it comes to the idea that running is good for the heart, six miles a week may be the magic goal number. In a review study published in Mayo Clinic Proceedings, experts found running about six miles a week — or 52 minutes — may add from three to six years to your life. Dr. Edward Laskowski, co-director of the Mayo Clinic Sports Medicine Center, says the study supports the existing body of scientific literature that shows exercise is good for your health. He says, "The great news is that you don't have to run a marathon to benefit from exercise. Just getting out there and moving more helps. Exercise benefits many things including your cardiovascular system, and it cuts the risk of some cancers." Dr. Laskowski adds that even simple activities such as taking a few five-minute walk breaks at work, or walking while talking on the phone, are effective ways to build activity into your life.
The current Physical Activity Guidelines for Americans are:
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