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Get active, cells stay younger - study finnds

Exercise Shown to Reduce Aging at the Cellular Level

New research suggests that high levels of exercise can help slow the aging within the cells significantly. Researchers from Brigham Young University have found that people who regularly partake in intense exercise have longer telomeres, reducing aging at the cellular level by up to nine years.

“Just because you're 40, doesn't mean you're 40 years old biologically,” exercise science professor Larry Tucker, said in a statement. “We all know people that seem younger than their actual age. The more physically active we are, the less biological aging takes place in our bodies.”

Telomeres—protein endcaps on chromosomes—act as a biological clock for humans. They are correlated with age as each time a cell replicates a small portion of the endcap is lost.

Tucker said adults with higher physical activity levels have telomeres with a biological aging advantage of nine years over those who are sedentary, and a seven-year advantage over those who are moderately active.

“If you want to see a real difference in slowing your biological aging, it appears that a little exercise won't cut it,” Tucker said. “You have to work out regularly at high levels.”

Tucker said telomere length is likely tied to inflammation and oxidation stress, which explains why it decreases without strenuous exercise.

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Thanks for the info @Fit_Bill.

I read an article in my local newspaper that said it didn't matter if you only exercised on the weekends; it could still be beneficial. Any exercise is going to help.

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