5 Foods & Habits That Stain Your TeethPlus, how to keep your pearly whites looking their best.
 | | 1 / 6 Want to keep your pearly whites looking their best? Dentists say you should take note of these foods and habits that can make your teeth less-than-their-whitest.
1. Tobacco
Not only is it bad for health, smoking is one of the worst stainers around -- causing your teeth to turn brown, and your fingernails yellow. These brown stains are caused by nicotine and can be difficult to remove by brushing alone.
Minimize staining: Of course, the best way to stop cigarette stain is to quit smoking. If you're still lighting up, however, try munching on a piece of sugarless gum after you've had your cigarette. This triggers saliva, which helps swish away the darkening liquids and reduce their chance of staining your teeth.
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