Conditions list medically reviewed by George Krucik, MD, MBA
Red blood cells are normally shaped like discs, which allows them to travel through blood vessels. Sickle cell disease causes red blood cells to be sickle-shaped. Read…
Polyarteritis nodosa (PAN) is a serious but rare disease of the blood vessels caused by an immune system malfunction.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.