Possibly: One cause of blue skin is not having enough oxygen in the blood so instead of being bright red the blood has a darker color. Since black lung keeps the lungs from getting enough oxygen into the blood it can lead to skin in the extremities looking blue.
Answered 9/28/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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