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Lead Stories: Friday, January 9, 2009

Exercise makes cells more efficient; increases overall health & life expectancy

Posted March 23rd, 2007 at 9:15 AM by Jeanie Rebb

Section: Health & Fitness, Exercise

couple-biking.jpgWhy does risk for heart attacks, strokes or diabetes increase with age? A team from Yale University showed that as you age, you lose your ability to make AMP-activated protein kinase (AMPK) (Cell Metabolism, February 2007). This enzyme functions to increase mitochondria in muscles.

Anything that reduces the number or efficiency of mitochondria interferes with your body’s ability to burn fat and sugar for energy. As a result, blood sugar, fat and cholesterol levels rise.
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