Curb sitting time to protect aging DNA, possibly extend lifespan

Curbing the amount of time spent sitting down might help to protect aging DNA and therefore possibly extend the lifespan, suggests a small study. Reducing sedentary activity appears to lengthen telomeres, which sit on the end of chromosomes, the DNA storage units in each cell, the findings show. Telomeres are important because they stop chromosomes from ‘fraying’ or clumping together and ‘scrambling’ the genetic codes they contain, performing a role similar to the plastic tips on the end of shoelaces, to which they have been likened.

from Fitness News — ScienceDaily
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