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A New Study Suggests a Way to Raise Your Life Expectancy by 5 Years (Without Changing Your Diet or Exercise Habits)

Richard Branson is a famously active old guy. Despite being 72, the entrepreneur and grandfather can often be found rocketing into space, kite-surfing on his private island, or launching innovative new ventures. On his blog recently, he credited a good portion of his age-defying energy and health…