Sickle cell disease (also known as hemoglobin S disease) is a group of disorders that affect hemoglobin — the part of a red blood cell that delivers oxygen throughout the body. The disease gets its name from abnormally shaped red blood cells caused by abnormal hemoglobin molecules. Symptoms of sickle cell disease usually begin in early childhood, and can include: Low red blood cell count, also known as anemia. Repeated infections. Periodic episodes of pain. Intensity of symptoms varies from one person to another. Some people have very mild symptoms; others may be hospitalized for serious complications from pain and … Continue reading →