Running A Marathon Could Help You Live Longer, Study Suggests

(CNN) — Need another reason to sign up for that marathon in 2020? New research suggests training and running a marathon for the first time could reverse some of the effects of aging on our bodies.
Researchers found that for the 138 healthy, first-time marathon runners they tracked, training and completing the London marathon was associated with a four-year reduction in their “vascular age.”
Specifically, they found that marathon training reversed the age-related stiffening of t