You may bristle at the thought, but our ancestors used frayed twigs to “brush” their teeth. Toothbrushes have evolved a lot since then, from a cattle bone handle and swine bristles to a hard plastic ...

We don’t always have the answers, but we have some people on speed dial who do — which is why we present to you our series FYI where we have experts explain if lip balm is actually bad, how often ...

I’m an adult, of course, I know how to brush my teeth. That’s what most of us think. After all, it’s something we’ve done every day since childhood, so surely we’ve mastered it by now. But when we ...