Add Yahoo as a preferred source to see more of our stories on Google. Procter & Gamble agrees to change marketing of Crest toothpaste to children after Texas AG claims misleading images could harm ...

Can toothpaste stain teeth? That seems counterproductive as toothpaste is meant to clean teeth. Some brands even go so far as to brand themselves as "stain-fighting" or "stain-erasing." Featured Video ...