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Regular nail care and proper hygiene is very important for their good health. Changes in the shape, color and texture of your nails are sometimes a sign of something serious:
- You may have a circulation problem: Sudden swollen skin at the end of your fingers with nails that are bulbous—meaning the nail is shaped like an upside-down spoon—is a reason to get your hands and feet checked. Nail pulling it can be a benign hereditary condition or a sign of something more serious, such as infection, inflammation, or lung or heart disease.
- You may have melanoma: Pigmented bands on the nail are common and usually normal, especially in people with darker complexions, says Dana Stern, Assistant Clinical Professor of Dermatology at Mt. Sinai School of Medicine. However, he notes that dark bands or streaks can also be a sign of cancer. Most people think that melanoma starts in the skin, but it can also start under the nail, especially in the thumb, index finger, and big toenail.
- You may be anemic: If you notice that your nails are hollow, ask your doctor to do a blood test to check for anemia.
- You may have an inflammatory disease: Nail pitting, which looks like tiny little indentations along the surface of the nail, is associated with psoriasis. The condition is also a symptom of alopecia areata, a disease characterized by hair loss.
- You may have thyroid problems: Brittle nails that peel or split can be caused by certain medical conditions such as an underactive thyroid, Raynaud’s disease, and protein deficiency. If someone has always had great nails and suddenly they are peeling or breaking excessively, have blood tests including thyroid hormones.
- You may have metal poisoning: Most white lines on the nail are normal or may have been caused by trauma—think hitting or crushing the nail. However, white lines or streaks running across the surface of your nails can rarely be more serious. This is a telltale sign of lines of Mees a condition caused by arsenic or other heavy metal poisoning.
- Eyou have your manicure for a long time: If your nails are yellow, this is usually caused by wearing nail polish for a long time and is nothing to worry about. Take off the polish to let your nails breathe. The yellowing should go away within a few days. If the yellowing is prolonged, consult a doctor to rule out a fungal infection.
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