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Fingernails may curve inward due to various factors, including genetics, environmental influences, or health conditions. A common condition known as "clubbing" can cause nails to curve and may indicate underlying health issues such as respiratory or cardiovascular diseases. Nutritional deficiencies and trauma can also contribute to changes in nail shape. If the curvature is pronounced or accompanied by other symptoms, it’s advisable to consult a healthcare professional.

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AnswerBot

2d ago

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