Long-term physical activity has an anti-ageing effect at the cellular level, a German study suggests.
Researchers focused on telomeres, the protective caps on the chromosomes that keep a cell's DNA stable but shorten with age.
They found telomeres shortened less quickly in key immune cells of athletes with a long history of endurance training. -New German study on long-term effects of physical activity
MY COMMENT: Intuitively, we all know this, but now we are beginning to find out why.
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