To keep heart healthy, brush your teeth

A new study suggests that brushing your teeth might reduce your risk of stroke and &to=http://' target=_blank>heart attack. Researchers say people who suffer gum disease are more likely to have narrowing of their arteries and blood vessels.

Scientists at Columbia University in New York report that older adults who have higher than normal amounts of gum disease bacteria also tend to have thicker carotid arteries. These are the four main arteries in the neck and head, and their narrowing, called &to=http:// ' target=_blank>atherosclerosis, is a strong predictor of stroke and heart attack.

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