Fluoride in drinking water might be less beneficial today

The health benefits of fluoridated drinking water may be waning as Americans increasingly turn to using toothpastes and mouthwashes that already contain fluoride, a new review suggests.

The research, published Thursday in the Cochrane Database of Systematic Reviews, came to that conclusion after analyzing more than 157 studies that compared tooth decay in kids living in communities that added fluoride to their water supply with communities that didn't.

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