The best anti-ageing technique could be standing up, scientists believe, after discovering that spending more time on two feet protects DNA.
A study found that too much sitting down shortens telomeres, the protective caps which sit at the end of chromosomes.
Short telomeres have been linked to premature ageing, disease and early death. So spending less time on the sofa could help people live longer by preventing their DNA from ageing
The research found that people who were frequently on their feet had longer telomeres, which were keeping the genetic code safe from wear and tear.
Intriguingly taking part in more exercise did not seem to have an impact on telomere length.
Prof Mai-Lis Hellenius, from Karolinska University Hospital in Stockholm, said : “In many countries formal exercise may be increasing, but at the same time people spend more time sitting.
“There is growing concern that not only low physical activity but probably also sitting and sedentary behaviour is an important and new health hazard of our time.
“We hypothesise that a reduction in sitting hours is of greater importance than an increase in exercise time for elderly risk individuals.”
Telomeres stop chromosomes from fraying, clumping together and “scrambling” genetic code.
Scientists liken their function to the plastic tips on the ends of shoelaces, and say that lifespan is linked to their length.
The study was published in the British Journal of Sports Medicine.
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