Within each of our cells, long strands of DNA are folded into chromosomes and capped with protective structures called telomeres. But telomeres shorten as we age, eventually getting so whittled down that our chromosomes become ...
Jun 19, 2024
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As we age, our appearance changes, our hair turns gray and wrinkles appear. And we become more susceptible to disease. One reason for this is that our telomeres shorten. These are protective caps at the ends of the chromosomes, ...
Jun 4, 2024
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Penn State researchers may have uncovered another layer of complexity in the mystery of how diet impacts aging. A new study led by researchers in the Penn State College of Health and Human Development examined how a person's ...
Apr 17, 2024
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The brains and blood of people with a history of excessive drinking show cellular evidence of premature aging. In a new study published in Alcohol: Clinical and Experimental Research, DNA taken from people with alcohol use ...
Jan 26, 2024
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A genetic marker linked to premature aging was reversed in children with obesity during a six-month diet and exercise program, according to a recent study led by the Stanford School of Medicine.
Jan 22, 2024
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Shorter telomeres on the ends of white blood cell chromosomes may signal a heightened dementia risk, suggest the results of a large, long-term study published online in the journal General Psychiatry.
Sep 12, 2023
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A study of nearly 500,000 people has shown that smoking shortens the end fragments of chromosomes in the white blood cells of our immune systems. The length of these end fragments, called telomeres, is an indicator of how ...
Sep 12, 2023
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Each time our cells divide, the protective caps that keep our chromosomes from fraying, called telomeres, lose a bit of their DNA. Telomeres shorten steadily as we age, but in certain medical conditions like dyskeratosis ...
Jul 7, 2023
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Changes in the brain caused by Alzheimer's disease are associated with shortening of the telomeres—the protective caps on the ends of chromosomes that shorten as cells age—according to a new study led by Anya Topiwala ...
Mar 22, 2023
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In Nicoya, Costa Rica, where average incomes are among the nation's lowest, the average life span is 85—among the world's highest. By comparison, a person in the United States can reasonably expect to live to just 77, according ...
Feb 15, 2023
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