Doctor reveals 7 hidden nail problems: What they can tell you

💓2. Clubbing: A possible sign of heart or lung disease,
clubbing is a thickening of the soft tissue beneath the nails, causing them to curl downward and the fingertips to swell.

This condition often develops gradually and is associated with:

Chronic lung disease (COPD, cystic fibrosis, lung cancer)
Congenital heart defects
Inflammatory bowel disease
Liver cirrhosis
This disease is caused by low oxygen levels in the blood, which leads to increased blood flow and changes in the tissue of the fingertips.

Important: Although bruising of the nails is a natural occurrence for some people, it is always worth investigating any sudden changes.

If you experience this change along with shortness of breath, fatigue, or chest discomfort, consult your doctor for tests to assess your cardiovascular or respiratory function.

🩸3. Spoon nails (koilonychia): a symptom of iron deficiency.
Spoon nails are thin, curved inward, and often appear brittle or concave, as if they could hold a drop of water.

This condition is closely related to:

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