Our nails, although often neglected, are more than just functional tools or elements of beauty: they can be important windows ...

Have you ever taken off your nail polish only to notice a dark line on the nail running vertically down your finger? These black lines on fingernails may look like bruising or internal coloring ...

Doctors advise vigilance regarding nail changes, as these may indicate health issues, including a rare skin cancer called ...

Symptoms like dry or yellow nails, white spots, and dark lines may be normal ... Horizontal or Vertical Ridges Some people may have lines running up and down or sideways on their nail, or ridges.