Study: Excessive exercise could be bad for your teeth

A study published in The Scandinavian Journal of Medicine & Science in Sports says vigorous exercise is good for virtually every part of the body - except perhaps the teeth. This comes on the heels of a study published last year in The British Journal of Sports Medicine that showed a majority of 278 athletes at the 2012 Summer Olympics in London who were examined by dentists had "poor oral health," including high levels of tooth decay, often combined with gum disease and the tooth enamel erosion.

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