Have you ever looked closely at your fingernails and noticed thin lines running from the bottom of the nail all the way to the tip?
These are known as vertical nail ridges, or longitudinal ridges.
They can become more noticeable over time, especially as you get older. For most people, they are simply a normal change in the nail rather than a warning sign of serious disease.
However, nail changes can occasionally provide clues about your skin, nutrition, or overall health.
Here’s what you should know.
What Are Vertical Ridges on Fingernails?
Vertical ridges are raised lines that travel in the same direction your fingernail grows—from the cuticle toward the fingertip.
Some people have only a few faint lines, while others develop several noticeable ridges across multiple nails.
They are different from horizontal grooves, which run from side to side across the nail.
That distinction matters because horizontal grooves, sometimes
