Do nail changes signify a health problem?
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I am 65 and have noticed a decline in the quality of my fingernails. Should I worry about some underlying medical condition?In some cases, fingernail changes may be a sign of a health issue. For instance, horizontal lines across the fingernails can be seen in people with diabetes, heart disease, and malnutrition. Nail pitting is common in people with psoriasis. Dark ridges beneath your nails could be a sign of skin cancer and require a visit to your doctor. (Protect yourself by applying sunscreen to your hands and nails when outside.)
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