Friday, September 30, 2016

Exercise results in larger brain size and lowered dementia risk

https://www.eurekalert.org/pub_releases/2016-08/uoc--eri080116.php

Public Release: 1-Aug-2016
Exercise results in larger brain size and lowered dementia risk
University of California - Los Angeles Health Sciences

Using the landmark Framingham Heart Study to assess how physical activity affects the size of the brain and one's risk for developing dementia, UCLA researchers found an association between low physical activity and a higher risk for dementia in older individuals. This suggests that regular physical activity for older adults could lead to higher brain volumes and a reduced risk for developing dementia.

The researchers found that physical activity particularly affected the size of the hippocampus, which is the part of the brain controlling short-term memory. Also, the protective effect of regular physical activity against dementia was strongest in people age 75 and older.

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What this all means: one is never too old to exercise for brain health and to stave off the risk for developing dementia.

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