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Do You Actually Need to Floss?

The research is weak and misleading, yet dentists are adamant. So where does that leave us?

TThree years ago, the Associated Press published an article that appeared to discredit something most of us are told twice a year by our dentists. The article looked at 25 studies on flossing and determined they pretty much all failed to find solid scientific…



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David H. Freedman

David is a Boston-based science writer. The most recent of his five books is WRONG, about the problems with medical research and other expertise.