Reversible damage found in marathon runners' brains: Study
(NewsNation) — Running 26.2 miles can do some damage to the brain, according to a recent study, though the impact is temporary and reversible.
Related video above:........© The Hill

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(NewsNation) — Running 26.2 miles can do some damage to the brain, according to a recent study, though the impact is temporary and reversible.
Related video above:........© The Hill