Your Nails Could Be Sending Warning Signs — Especially After 40: What Those Lines Really Mean

Have you recently noticed lines, ridges, or changes in the appearance of your fingernails?

If you’re over 40, you may have heard that nail changes are a warning sign of a serious health problem. While that claim can sound alarming, the reality is more nuanced. Many nail changes are completely harmless and become more noticeable with age. Others, however, can sometimes provide clues that deserve medical attention.

So, what should you actually look for?

Vertical Nail Ridges Are Often a Normal Part of Aging

One of the most common changes people notice as they get older is the appearance of vertical lines running from the cuticle toward the tip of the nail.

These ridges are particularly common with age and, by themselves, are usually not a reason for concern. Mayo Clinic notes that vertical nail