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What Causes Digit Darkening?
The fingernail on my middle finger is dark on half. I increased my multi-vitamin intake and I noticed it has lightened up but I am still concerned. What do you think? I'm 33, 5'4, 139 lbs, and have never had serious health problems---but I don't eat as many veggies as I should.
Wed, 30 Jul 2014
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