Medical research

A vascular fountain of youth

Heart disease is the leading cause of death in the United States among men and women, and the number one risk factor is age. In large part, this is because of the damage that occurs in our blood vessels as we grow older. ...

Medical research

Biologists find a way to boost intestinal stem cell populations

Cells that line the intestinal tract are replaced every few days, a high rate of turnover that relies on a healthy population of intestinal stem cells. MIT and University of Tokyo biologists have now found that aging takes ...

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 ...

Health

Diets consisting of fewer calories improve cell performance

The number of calories a person eats directly influences the performance of cells. A group of researchers from the University of São Paulo (USP) has shown that low-calorie meals have a protective effect against some diseases. ...

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