Blood disorder causes body to make too many red blood cells

DEAR MAYO CLINIC: I have a relative who was diagnosed with polycythemia vera. What is this disorder, and can it be treated? Is any new research being conducted on polycythemia vera? ANSWER: Polycythemia vera is a blood disorder where the body makes too many red blood cells. It’s one in a family of d

Last updated on May 03, 23

Posted on Feb 16, 23

2 min read

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