It is common to have white marks or spots on the nails. Generally they do not cause harm. There can be many reasons for this, such as deficiency of nutrients like protein, calcium, zinc, vitamin A, iron, magnesium, sodium, and copper. But not every mark on the nails is so light. There is also a sign that if seen, you should immediately run to the doctor. A doctor warned about this and said that if you are careless, you can get into big trouble. According to the report of New…
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