What does polycythemia mean?

Polycythemia refers to an increased concentration of red blood cells in the bloodstream. This condition can lead to blood becoming thicker, which may cause circulation issues and increase the risk of clotting. It often results from various factors such as living at high altitudes, smoking, or certain medical conditions that stimulate red blood cell production. Understanding polycythemia is crucial for identifying and managing potential health complications associated with excessive red blood cell levels.