Get ready to pound the pavement for the long haul.
That’s important, since as we age, our telomeres naturally shorten and deteriorate, leaving our cells vulnerable to damage, study coauthor, Christian Werner, Ph.D., of Saarland University in Saarbrücken, Germany, told“Shortened and damaged telomeres signal to the cell to halt growth and multiplication and to become senescent,” he said. “This is an important hallmark of aging in the cells.”.]
So, if you have longer telomeres, does it correlate to a younger biological age? That’s a tricky question, Werner said, and one that doesn’t yet have a clear answer. But research has indicated that stronger telomeres help you age better, he said—for example, with stronger cardiac and muscular function. The more your telomeres stay intact, the more resistant the cells are to stress and inflammation, he said, two of the biggest components in age-related conditions.
Surprisingly, the researchers didn’t find any telomere-related benefits to resistance training. One possible explanation is a change in level of nitric oxide synthase, an enzyme that produces a messenger molecule that increases the response of telomerase, he said. The enzyme was triggered only by endurance training, he said, but remained unchanged in resistance training.
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