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Exercise improves thinking, reduces diabetes risk in overweight children
Date:10/22/2007

enefits, adds Dr. Davis. Exercise works if you do it.

Adult studies have yielded comparable findings regarding exercises impact on insulin resistance and cognition.

The researchers tested oral glucose tolerance, measuring insulin response after children drank a small amount of glucose, before and after the studies. Once your glucose levels start to rise, its called impaired glucose tolerance and that is a precursor of diabetes. Its called pre-diabetes now, says Dr. Davis, noting that overweight children typically have higher insulin resistance than their leaner peers. Insulin resistance is an early sign of diabetes risk that appears before glucose levels start to rise. Growth associated with puberty can temporarily increase insulin resistance, Dr. Davis notes, so because some of the children were beginning puberty, they made adjustments for the level of sex hormones.

DEXA scanning, which uses a small amount of radiation to quantify bone, tissue and fat, was used to accurately assess body composition. Executive function was measured using the Cognitive Assessment System and math skills using the Woodcock Johnson Test of Achievement III.

If physical education were ideal, which its not its not daily and its not active then children could achieve this within the school day, Dr. Davis says, pointing to benefits derived by children exercising just 20 minutes a day. We are not there. To achieve maximum benefit, we were able to show it will take more than PE.


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Contact: Toni Baker
tbaker@mcg.edu
706-721-4421
Medical College of Georgia
Source:Eurekalert

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