Slide show: 7 fingernail problems not to ignore
Photo of nail pitting
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Did you know that your fingernails can provide clues to your overall health?

For example, ice pick-like depressions in the nails (nail pitting) are common in people who have psoriasis — a condition characterized by scaly patches on the skin. Nail pitting can also be related to connective tissue disorders, such as Reiter's syndrome, and alopecia areata — an autoimmune disease that causes hair loss.

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