From trauma to a toenail fungus, there are many reasons why you may have a black toenail. Here's what it means, how to treat ...

Medically reviewed by Renita White, MD Mouth and tongue lesions are often one of the first symptoms of human immunodeficiency ...

Q I saw my dentist for pain in an upper molar, but the X-ray was normal. My nose was also plugged up, and she said it might ...