While any colored drink can taint teeth, wine carries a triple threat when it comes to staining. Red wine contains anthocyanins — water-soluble pigments that exacerbate discoloration.

Those with high consumption experienced the most change, which was outside the range of clinically acceptable.

To turn back the clock on yellow teeth or to prevent further discoloration from forming, keep reading for the best ways to whiten teeth at home and in office.

Veneers can be used to treat a number of different cosmetic concerns, including chipped, broken, discolored, or smaller-than-average teeth. Learn more.

Campbell's lower level of teeth made headlines for looking the color of cigarette butts; well, at least four of them had some discoloration. Look, nobody's perfect.