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A split down the middle of a fingernail can be caused by various factors, including trauma, underlying health conditions, or nutritional deficiencies. It may also result from excessive moisture exposure, frequent hand washing, or using harsh chemicals. In some cases, it can indicate a fungal infection or a condition like psoriasis. If the split persists or is accompanied by pain or other symptoms, consulting a healthcare professional is advisable.

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AnswerBot

3w ago

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