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A member asked:
It was a bit chilly in the library today and my nails turned greyish/blue. is that normal? i feel like you'd have to be in freezing temperatures for that reaction?
A doctor has provided 1 answer
If you felt chilly the changes in your fingernails ( acrocyanosis) is quite understandable as your body shunted circulation away from the periphery of your body ( fingers, ears,tip of nose) and sent it into the core of your body to warm it up. This is a very normal reflex.
Answered 12/5/2022
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