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A red blood cell (RBC) count measures how many RBCs you have and is usually part of a complete blood count (CBC). It can help diagnose anemia, erythrocytosis, and monitor blood conditions or treatment ...

A third Top Gun is taking off, but since you never lost that loving feeling for the 1986 original, touch down with Tom Cruise, Anthony Edwards, Kelly McGillis and the rest of the cast 40 years later.