Add Yahoo as a preferred source to see more of our stories on Google. Maybe you first noticed them while you were painting your nails and the polish didn't go on smoothly — those dents that run from ...

Vertical fingernail ridges are usually harmless and often appear due to aging. Horizontal ridges might indicate health issues like vitamin deficiencies or infections. Good nail hygiene can help ...

If you've suddenly noticed vertical or horizontal ridges on your nails, it's natural to wonder why. We asked experts to explain the most common causes of fingernail ridges and what you can do about ...