2.Split or Cracked Nails
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Daily chemicals and harsh environments can make nails brittle and split. Fungal infections and hypothyroidism can do the same. If you also notice weight gain, low mood, or fatigue, thyroid issues could be involved. Splitting may reflect low biotin, protein, or iron. Frequent handwashing, cleaners, and cold, dry air weaken nails. Wear gloves, moisturize often, and eat a nutrient-rich diet. Nail strengtheners and keeping nails moderately short can further limit breaks and cracks.
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