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Metabolic cost of human sleep deprivation quantified by University of Colorado...

In the first-ever quantification of energy expended by humans during sleep, a University of Colorado team has found that the metabolic cost of an adult missing one night of sleep is the equivalent of walking slightly less than two miles. The n...

Diabetes may clamp down on cholesterol the brain needs

BOSTON -- November 30, 2010 -- The brain contains more cholesterol than any other organ in the body, has to produce its own cholesterol and won't function normally if it doesn't churn out enough. Defects in cholesterol metabolism have been linked ...

Discovery may aid search for anti-aging drugs

ANN ARBOR, Mich. -- A team of University of Michigan scientists has found that suppressing a newly discovered gene lengthens the lifespan of roundworms. Scientists who study aging have long known that significantly restricting food intake makes an...

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