Exercise may Help Protect Older Women Against Irregular Heartbeats

Exercise may protect older women from developing an irregular heartbeat.Â
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Researchers studied the exercise patterns for thousands of women between the ages of 50 and 79.Â
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Those who were the most physically active cut their risk for atrial fibrillation by 10 percent.Â
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Their level of exercise was the equivalent of walking briskly for 30 minutes, six days a week.