Coffee and red wine are well-known culprits, but these everyday foods may be quietly dulling your smile.
Most people know about coffee, tea, and red wine — but foods like balsamic vinegar, soy sauce, beetroot, curry, and dark berries are notorious staining agents. The good news: a few small habits (rinsing after meals, using a straw with cold drinks, regular hygiene visits) keep them from leaving permanent marks.

