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Long-term physical activity has an anti-ageing effect at the cellular level.

2010-01-04

 ageing health cell sport longevity fitness telomere
They say the lengths of tiny pieces of DNA called telomeres indicate whether a young creature is likely to live long into old age. ... Everything that is made up of living cells contains chromosomes: the genetic code that makes us what we are. At the ends of each chromosome lie the telomeres. They have been likened to the caps on the ends of shoelaces - they stop things from unravelling. Over time they wear down - and when they do, the DNA...

2012-01-10

 telomere longevity health chromosome age