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Congratulations, you lazy unhygienic beasts: apparently, there is little proof that flossing actually works to prevent gum disease and cavities. The powerful Gum Lobby will have you believe that flossing, as it says on the American Dental Association's website, "is an essential part of taking care of your teeth and gums."

beyonce instagram mother blue ivy floss
Queen Bey and Blue Ivy floss, so there must be something to it, right? Wrong.

The Associated Press, on the other hand, looked studies that followed "Brushers and Flossers" versus "Just Brushers" over 25 years, and found that evidence for the benefits of flossing were "weak, very unreliable" and carried "a moderate to large potential for bias."​