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2.Split or Cracked Nails
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Harsh chemicals, dry air, and repeated wetting can leave nails brittle and splitting. Fungus and low thyroid function are additional causes—watch for fatigue, weight gain, or low mood. Deficits in biotin, protein, or iron may contribute. Excess washing, cleaners, and cold climates worsen damage. Protective gloves, steady moisturization, balanced nutrition, strengtheners, and modest length help reduce breaks.
