7 Nail Changes That Reveal Serious Health Issues

  • Liver disease
  • Diabetes
  • Heart problems

If you also have symptoms like yellowing of the skin, tiredness, or loss of appetite, see a doctor right away.

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Yellow Nails: More Than Just a Fungal Infection

Yellow nails are often caused by fungus, but they can also point to:

  • Thyroid problems
  • Diabetes
  • Psoriasis
  • Lung disease

If your nails are yellow and you don’t use nail polish — or you don’t have a fungal infection — talk to your doctor to find the cause.

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Pay Attention — Your Nails Are Trying to Help You

Most nail changes are harmless, but when something looks unusual or lasts a long time, it’s worth checking. Your nails can reveal important clues about your health long before you notice other symptoms.