Dental habits, dementia tied

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Poor dental hygiene is linked to a higher risk for developing dementia in older age, a study found.

In a University of California study that observed 5,500 elderly adults, investigators found that women who brush their teeth less than once a day are 65% more likely to develop dementia than women who brush their teeth at least once per day.

This effect was less pronounced in elderly men. Among men, those with irregular teeth-brushing habits were only 22% more likely to develop dementia within 18 years of the start of the study.

Findings were published in the Journal of the American Geriatrics Society.
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