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 ...

How Should I Care for My Teeth and Gums? Dental plaque is a sticky film of bacteria that builds up on your teeth throughout your day. It's colorless so you may not see it, but it's still there. The ...