Nail ridges are grooves or raised lines that form on the nail plate and may run horizontally or vertically. They can vary in severity, from barely noticeable to quite pronounced. While some ridges ...

When doctors examine patients, they often look beyond the presenting symptoms to gather additional diagnostic information.

Should you worry? There are two types: Longitudinal or vertical ridges which run vertically up and down in the direction of your fingernail Horizontal ridges which go across from one side of the ...