Year in review: Not all bodies act their age | Science News

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Year in review: Not all bodies act their age

Cells offer new clues to the mystery of growing old

7:02am, December 15, 2015
aging woman

FOR THE AGES  People age at different rates, but the underlying drivers of aging likely remain the same, scientists suggested in 2015.

Age was all the rage this year, as headlines about a provocative study blared what many people already suspected: People grow old at vastly different rates.

The study, out of Duke University, analyzed the health of nearly one thousand 38-year-olds and found that some resembled people a decade older while others appeared years younger (SN: 8/8/15, p. 10). Researchers determined this “biological age” based on health indicators such as body mass index, blood pressure and cholesterol level. The finding tapped into a mystery that has long captivated scientists and the public alike — “why some people can live to 120 with no disease, and others are already in bad shape at age 70,” says molecular

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