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Does brisk walking reduce a person’s biological life?

10:00 am

Thursday 05 May 2022


Researchers at the University of Leicester in the UK have found that walking has been linked to a reduction in the biological age of humans.

In a study of 400,000 Britons who studied their genes, researchers found that brisk walking made a person appear 16 years younger when they reached middle age.

The results of the study showed that fast participants, defined as those who walked faster than 4 mph, had long telomeres that protected the “caps” at each end of each chromosome and the successive rows of DNA from damage. , Similar to the way the hat at the end of the shoelaces is prevented from unraveling.

These telomeres become narrower each time the cell divides and become indistinguishable from the cell.

According to “Russia Today”, scientists believe that telomere length is a sign of biological age, regardless of when a person was born, and that this is linked to the symptoms we associate with aging, such as weakness.

Researchers have estimated that brisk walking for a lifetime can shorten a person’s life expectancy by up to 16 years by middle age.

Professor Tom Yates, a physical activity expert and senior author of the study, said: ‘Previous research shows that’ walking speed ‘is a’ very strong prognosis’ for health and ‘leads to a younger biological age’.

Experts believe that brisk walking is a sign of better muscular health, heart and lung health, functional status, motivation and mental health, but the University of Leicester said that it is not clear whether walking speed is related to biological age and how old your body is. How your chromosomes change over time.

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The scientists studied 405,981 UKs, with an average age of 57, listed in the UK Biobank, which is a database of patients monitored for 10 years, including genetic data.

Half of the participants (212,303) estimated an average walking speed of three to four miles per hour.

One in 15 (26,835) reported walking at a slower speed (less than three miles per hour), while four in 10 (166.843) reported speeding (more than four miles per hour).

They collected additional data from nearly 100,000 participants, who wore functional trackers on their wrists 24 hours a week.

Results published in the journal Communications Biology show that fast walkers, no matter how exercised, have longer telomeres and that scientists do not fully understand the relationship between telomere length and disease.

But the accumulation of these cells is thought to contribute to weakness and age-related diseases such as coronary artery disease and cancer.

Scientists consider telomere length – scientifically called LTL telomere length – to be the “strongest indicator” of biological age, regardless of a person’s date of birth.

“The results suggest that people who are usually slow-moving are at risk of developing chronic illness or unhealthy senility,” said Dr. Schmidt, a human physiologist and lead author of the study. Bedi Dempsey said.

In addition to increasing walking in general to improve health, people should also aim to increase the number of steps they can complete in a given period of time.

“Although we have already shown that walking speed is a very strong predictor of health, we cannot be sure that strenuous walking will actually lead to better health,” Dr. Yates said.

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A team from the university used UK Biobank data to show that at least 10 minutes of brisk walking a day is linked to longevity. .