Ultramarathons could be bad for your blood

Running 170 kilometres over mountainous terrain caused people's red blood cells to accumulate more age-related damage than those of less ambitious athletes

SINSIN
Feb 18, 2026 - 22:00
 0  13
Ultramarathons could be bad for your blood
Running 170 kilometres over mountainous terrain caused people's red blood cells to accumulate more age-related damage than those of less ambitious athletes

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