Walking fast is the key to a long life? Study links pace to aging

STUDY FINDS:

A brisk walk could help add 16 years to your life, a new study finds. Researchers at the University of Leicester have discovered a link between a person’s walking pace and the rate at which they age.

Specifically, a lifetime of brisk walking leads to longer telomeres. These are the protective “caps” on the ends of your chromosomes — sort of like the plastic tabs on your shoelaces. Although they don’t carry genetic information, telomeres play a vital role in keeping DNA stable.

Scientists measure these end caps to calculate a person’s biological age. The longer they are, the younger a person is in terms of biological age — which can be much different from chronological age (your birthday).

In an analysis of over 400,000 British adults from the UK Biobank, scientists found that a faster walking pace throughout life could lead to a person being 16 years younger in terms of biological age by the time they reach midlife. Importantly, the team found brisk walking alone, regardless of how much physical activity that person engages in, leads to longer telomeres.

Walking faster may also prevent disease

Researchers explain that each time a cell divides, telomeres become shorter. At a certain point, telomeres get so short that the cell no longer divides. Although the link between telomere length and disease is still unclear, scientists say the buildup of senescent (elderly and dying) cells contributes to the development of age-related diseases and frailty.

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