Add Yahoo as a preferred source to see more of our stories on Google. But is this for real or just a load of internet-driven hooey? Dentists say there is something to it. "There is some science to ...

Add Yahoo as a preferred source to see more of our stories on Google. How does purple toothpaste work? It uses color theory’s principle of complementary colors. Complementary colors are shades that ...

The shift from basic white or gel toothpastes to a variety of modern options has made the simple act of brushing teeth more complicated. The three popular types of toothpaste available today are white ...