Patient :I am 16 years old, and for about a month now, I have been experiencing some circulation problems-I think. When I am cold, my fingertips turn blue, then numb, then back to its original colour-all under a min. I get this occasionally now! Then every so often, when I sleep, one of my arm goes numb-I can't feel it. So I get up in the middle of the night and try to wake it up! My family doctor told me to go to the hospital for testing. What is happening to my body?
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