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A member asked:

I'm a 29 yr old african african and noticed i have faint streaks on both thumb nails as well as a faint line on another.never ever noticed before?

A doctor has provided 1 answer

Nail bands: You didn't say if they run side to side or longitudinally , but I suspect you meant the latter. If so, it's a normal variant, seen in a majority (some papers say 90%) of African Americans. Side to side streaks can be caused by medications and underlying medical problems, and should be evaluated by your doctor.

Answered 9/28/2016

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