New Study Reveals How Exercise Protects Against Dementia

Exercise may help safeguard your brain as you age, and a new study suggests how this might happen.

Previous research has shown that physical activity helps protect brain cells. This paper indicates it may do that through lower levels of insulin and body fat.

"These results may help us to understand how physical activity affects brain health, which may guide us in developing strategies.

to prevent or delay age-related decline in memory and thinking skills," said study co-author GĂ©raldine Poisnel, from Inserm Research Center in Caen, France.

They completed questionnaires about their physical activity over the past year.

Researchers also gathered information on the participants' body mass index (BMI -- an estimate of body fat based on weight and height), insulin levels, cholesterol, blood pressure and other health factors.

Older adults who are physically active gain cardiovascular benefits, which may result in greater structural brain integrity," Poisnel said in a journal news release.

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