Ultramarathon Running Could Rapidly Age and Breakdown Red Blood Cells

discovermagazine - Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

AI Summary: New research shows that extreme ultramarathon efforts cause rapid red blood cell breakdown and markers of accelerated cellular aging, potentially impairing oxygen delivery and recovery. Scientists warn that while endurance feats make great headlines, the physiological cost to blood health may be substantial and warrants monitoring in athletes.

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