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What are ridged fingernails a sign of?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Ridges in your fingernails can simply be a sign that you are growing older, or they can be a symptom of an underlying medical condition.

Vertical ridges in the nail are common and often increase with age. Horizontal ridges in your nails can be a sign of iron-deficiency anemia or other health conditions. Experts recommend talking to your doctor if you develop unexplained ridges on your nails. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.