Your Nails Could Be Sending Warning Signs — Especially After 40

evaluated rather than trying to diagnose the cause yourself.

Nail Color Changes Shouldn’t Always Be Ignored

Changes in nail color can happen for many harmless reasons, including staining, injury, nail polish, or fungal infections.

However, some persistent color changes can occasionally be associated with underlying medical conditions. The American Academy of Dermatology lists several nail color changes that may warrant evaluation, depending on the overall appearance and the person’s health.

A new dark streak, persistent blue or unusual discoloration, or a significant change affecting one nail should be checked by a healthcare professional rather than dismissed.

Not Every Nail Imperfection Means Disease

This is perhaps the most important thing to remember.

Nails can change because of:

  • Normal aging
  • Minor injuries
  • Repeated exposure to water or chemicals
  • Nail products and manicures
  • Dryness
  • Infections
  • Temporary interruptions in nail growth
  • Certain nutritional or medical conditions

Even white spots, ridges, and brittleness can have