Your Nails Could Be Sending Warning Signs — Especially After 40

relatively simple explanations. Mayo Clinic notes, for example, that white marks can occur after minor nail injuries and that vertical ridges commonly become more noticeable with age.

When Should You See a Doctor?

Consider getting a professional opinion if you notice a new, persistent, or rapidly changing nail abnormality, particularly if several nails are affected or the change occurs alongside other unexplained symptoms.

It’s especially worth seeking medical advice for:

  • New horizontal grooves across several nails
  • Significant changes in nail shape
  • Spoon-shaped nails
  • New or persistent unusual discoloration
  • Nails that become detached from the nail bed
  • Dramatic swelling or curvature of the fingertips
  • Nail changes that continue to worsen

A dermatologist or other healthcare professional can examine the nails and determine whether further testing is necessary.

The Bottom Line

Your fingernails can sometimes provide useful clues about what’s happening in your body, but they are not a diagnostic test.

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