(MSNBC) — Preventing heart disease is not as easy as brushing your teeth.

While numerous studies have linked gum disease with an increased risk of heart disease and stroke, there is no proof that bad gums actually cause heart disease or strokes, an American Heart Association committee said after reviewing 500 journal articles and studies.

Moreover, claims that dental treatment may prevent heart attack or stroke are unwarranted, the committee of doctors, dentists and infectious-disease researchers said in a statement.

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