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Science News for November 9, 2013


Genetic variation increases risk of kidney disease progression in African-Americans

African-American patients with chronic kidney disease have a faster decline in kidney function due to genetic variations, particularly the APOL1 gene variant. The study suggests that reducing the effect of this gene could lead to a significant decrease in progressive kidney and end-stage kidney disease in blacks.

SourceUniversity of Maryland Medical Center·JournalNew England Journal of Medicine·DateNov 9, 2013

You want fries with that? Don't go there

A new Dartmouth study suggests that chronic dieters overeat when their brain regions that balance impulsive behavior and self-control are disrupted. This depletion reduces a person's ability to engage in self-control by reducing connectivity between brain regions involved in cognitive control and rewards.

SourceDartmouth College·JournalPsychological Science·DateNov 9, 2013