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7 fingernail problems not to ignore

Nail clubbing

Nail clubbing happens when the tips of the fingers get bigger and the nails curve around the fingertips. It usually develops over several years.

Nail clubbing may be caused by:

  • Low oxygen in the blood.
  • Lung disease.
  • Heart problems.
  • Liver cirrhosis.
  • Gastrointestinal problems.