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A member asked:
I have a line in the thumb nail, seems 2 be hollow, kind of greyish, i have been trying to lose weight , have other lines but not too apparent
A doctor has provided 1 answer
Nail health: Single lines in a thumb nail can be a normal variant if they are small. However, your nails can also provide a signal for nutritional deficiency and can sometimes be a sign of other medical conditions. Best to talk with a general internist about your health and nutrition.
Answered 10/19/2016
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