It’s one of the most universal recommendations in all of public health: Floss daily to prevent gum disease and cavities. Except there’s little proof that flossing works. Still, the federal government, ...

First, I rinse my mouth, to loosen low-hanging fruit, and then spit out these easy spoils. Then the proper excavation begins. By Wayne Koestenbaum Flossing is a game I take seriously. I would rather ...