Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. It’s in our shampoo, facial ...

Your teeth's colour changes can signal serious health issues beyond just staining. Yellowing might indicate liver problems or diabetes, while gray or dark teeth could point to trauma, heavy metal ...

It sounds a little like a horror movie: Whitening toothpaste that backfires and leads to ... darker teeth. The popular toothpaste some are complaining about... People became outraged in England when ...