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A member asked:
My b12 is low my heartsbeats rapid and breathing please tell mi give any reasons any prproblems in b12? any danger and risk b12 low vitamin
A doctor has provided 1 answer
B12: Having a low B12 level may mean you have pernicious anemia. The anemia in turn can give you a rapid heart beat and rapid breathing. See your doctor or evaluation.
Answered 1/20/2017
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