INDEPENDENCE DAY. On July 4, 1776, the thirteen colonies claimed their independence from England, an event which eventually led to the formation of the United States.
Polycythemia vera is a rare, chronic disorder involving the overproduction of blood cells in the bone marrow (myeloproliferation). The overproduction of red blood cells is most dramatic, but the production of white blood cells and platelets are also elevated in most cases.
Symptoms of polycythemia include the following: 1  Weakness. 2  Headache. 3  Fatigue. 4  Lightheadedness. 5  Shortness of breath. 6  Visual disturbances. 7  Pruritis (itching) 8  Pain in the chest or leg muscles. 9  Ruddy complexion. 10  Confusion. 11  Ringing in the ears (tinnitus) 12  Burning of the hands or feet.