Genetics

New measure of biological age can predict health risks

People age in different ways. Biological age is a metric that scientists use to predict health risks, the relevance of which can be enhanced by combining different markers. Particularly important markers are frailty and the ...

Genetics

Uncovering a 'smoking gun' of biological aging clocks

A newly discovered ribosomal DNA (rDNA) clock can be used to accurately determine an individual's chronological and biological age, according to research led by Harvard T.H. Chan School of Public Health. The ribosomal clock ...

Neuroscience

Women's brains appear three years younger than men's

Time wears differently on women's and men's brains. While the brain tends to shrink with age, men's diminish faster than women's. The brain's metabolism slows as people grow older, and this, too, may differ between men and ...

Medical research

Scientists search for the clocks behind aging brain disorders

To understand the link between aging and neurodegenerative disorders such as Alzheimer's disease, scientists from the National Institutes of Health compared the genetic clocks that tick during the lives of normal and mutant ...

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