People with gum disease are almost twice as likely to suffer from coronary artery disease as other people and new research suggests they may also be at risk of lower brainpower too. Researchers from New York University studied 152 70-year-old people measuring their IQ and assessing them for periodontal disease. They found that people with gum disease were nine times more likely to score in the lower range of the test compared to people with little or no gum disease. The research follows a 2008 study by the same team in which people with Alzheimer's were found to have a higher level of antibodies and inflammatory molecules associated with the disease in their bloodstream than healthy people.
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