Lower calorie intake linked to longer lifespan

December 29, 2009 in Cancer Prevention, Nutrition Topics in the News

Lower calorie intake linked to longer lifespan

New study findings are shedding light on how reducing calories may help prolong the lifespan of human cells, and reduce the risk of cancer.

In their experiment, researchers from the University of Alabama at Birmingham used normal human lung cells, and precancerous lung cells.  Researchers grew the cells in the laboratory and provided them with either normal, or reduced levels of calories in the form of glucose.  After observing how the cells survived and divided, they found that the normal cells lived longer, and the precancerous cells died when given less glucose.  They also found that the cells that received less glucose had higher levels of telomerase, an enzyme that extends the lifespan of cells. 

These latest study findings, published online in The FASEB Journal (Federation of American Societies for Experimental Biology), could help lead to the development of drugs and treatments to slow human aging. 

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