Tobacco and coffee affect the outer layer of your teeth; if left untreated, these stains can make your teeth look unhealthy and lose their whiteness. Stained teeth can be a real confidence killer, ...

Yellow teeth may seem like an inevitability of life, be it from drinking coffee, savoring red wine, or mere aging. Professional teeth whitening is an option, but there are those who would rather do it ...

Add Yahoo as a preferred source to see more of our stories on Google. If you've found yourself looking extra closely in the mirror lately or zooming in on pictures in your camera roll to analyze your ...