Dear Dr. Reitz: My 22-year-old daughter frequently gets oral ulcers. The ulcers, also called canker sores, occur in different areas of her mouth, last for about 10 days then are gone for a few months ...

Instead of the white foam most of us normally produce when brushing our teeth, activated charcoal toothpastes coat teeth (temporarily) in a dusky slurry. Yet despite their dark hues, many companies ...

Medically reviewed by William Truswell, MD Strong concentrations of SLS can cause skin, mouth, or eye irritation.SLS may increase the likelihood of canker sores in people who are prone to them.High ...