- Q What are the vertical ridges in my fingernails?
Dr. Michael Roizen, Internal MedicineVertical ridges are a normal variation of the nail, and they tend to increase as we get older. In black women, these lines may get darker. Sometimes the long lines can be a sign of lichen planus, a disease that affects the skin, mouth and tongue. And... Full Answer
- Q Can your fingernails and toenails give clues about your health?
Dr. Anthony Komaroff, Internal MedicineIn general, looking at the fingernails and toenails is not a reliable way to tell if you are healthy or not. But a careful examination of the nails can provide clues to certain diseases.Here are some examples: Fungal infection: Toenail fungal infections... Full Answer