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.
Polycythemia vera is a rare and incurable blood cancer associated with an overproduction of blood cells in the bone marrow that affects up to three people per 100,000 globally.1,2 This condition is part of a group of related blood cancers known as myeloproliferative neoplasms (MPNs).1 The exact causes of polycythemia vera are unknown; however, ...