Neuroscience

'Harmless' condition shown to alter brain function in elderly

Researchers at the Mayo Clinic say a common condition called leukoaraiosis, made up of tiny areas in the brain that have been deprived of oxygen and appear as bright white dots on MRI scans, is not a harmless part of the ...

Health

Evidence lacking for sleep length, energy metabolism link

(HealthDay) -- Short sleep duration may affect total daily energy expenditure or directly affect energy metabolism, although more study is required, according to a review published online March 22 in Obesity Reviews.

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