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Gary Small, M.D., is Chair of Psychiatry at Hackensack University Medical Center, and Physician in Chief for Behavioral Health Services at Hackensack Meridian Health, New Jersey’s largest, most comprehensive and integrated healthcare network. Dr. Small has often appeared on the TODAY show, Good Morning America, and CNN and is co-author (with his wife Gigi Vorgan) of 10 popular books, including New York Times bestseller, “The Memory Bible,” “The Small Guide to Anxiety,” and “The Small Guide to Alzheimer’s Disease.”

Tags: cognitive reserve | dementia | pollution

Cognitive Reserve Counteracts Dementia Risk

By Wednesday, 13 January 2021 04:22 PM Current | Bio | Archive

Studies have shown that exposure to air pollution — especially fine particulate matter or tiny droplets — increases a person’s risk of developing Alzheimer’s or other forms of dementia.

The term “cognitive reserve” refers to an individual’s ability to maintain normal cognitive function despite brain damage or pathology. It is determined by education, age, culture, genetics, and other factors.

Dr. Diana Youngman and her associates at the University of Southern California reported that individuals with high cognitive reserve are less subject to the brain damaging effects of air pollution.

In their study of more than 6,000 women ages 65 to 79, subjects were categorized according to their level of cognitive reserve based on cognitive test scores, years of education, physical activity levels, and employment status.

After 14 years of follow-up, the scientists found that women who were categorized as having lower cognitive reserve experienced a 113 percent greater environmental risk for dementia.

However, women with higher cognitive reserve had only a 21 percent increased risk from pollutant exposure.

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Dr-Small
Studies have shown that exposure to air pollution — especially fine particulate matter or tiny droplets — increases a person’s risk of developing Alzheimer’s or other forms of dementia.
cognitive reserve, dementia, pollution
166
2021-22-13
Wednesday, 13 January 2021 04:22 PM
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