Wednesday, February 17, 2010

Survival of the fittest: exercise 'can fight ageing'

Long-term physical activity has an anit-ageing effect at the cellular level, a German study suggests. Researchers focused on telomeres, the protective caps on the chromosomes that keep a cell DNA stable but shorten with age. They found telomeres shortened less quickly in key immune system cells of athletes with a long history of endurance training.

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