Exercise, surgically removing belly fat improves cognition in obese, diabetic mice

Cognitive decline that often accompanies obesity and diabetes can be reversed with regular exercise or surgical removal of belly fat, scientists report. A drug already used to treat rheumatoid arthritis also helps obese/diabetic adult mice regain their ability to learn and comprehend, while transplanting belly fat to a normal mouse reduces those abilities. Studies in humans and animals indicate that obesity and diabetes -- which often go hand in hand -- essentially triple the risk of mild cognitive impairment as well as Alzheimer's.

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