AIHA occurs when antibodies attack red blood cells, causing them to burst. Warm-type AIHA affects 5-10 per million people yearly. Cold-type AIHA affects 0.45-1.9 per million people yearly
RDW measures variation in red blood cell volume in complete blood count. Normal RDW-CV range is 11.5-15.4%. RDW-SD measures width at 20% height level, unaffected by MCV
Iron supplements treat and prevent iron deficiency anemia. Available in oral, intravenous, and muscle injection forms. Iron pills have been used since 1681. Ferrous salts are on WHO's Essential Medicines list
Puberty is a continuous process of sexual maturation in boys and girls. Leptin hormone plays a role in initiating puberty. Normal age of puberty is 10-14 for girls, 12-16 for boys. Diet and environmental factors can affect puberty onset
Pancytopenia is low levels of all blood cell types in bone marrow. Includes anemia (low RBCs), leukopenia (low WBCs), and thrombocytopenia (low platelets). All blood cells originate from hematopoietic stem cells
CBC evaluates blood cell composition and quality in a sample. Normal RBC count ranges from 4.1-6.1 million cells/mcL. Values can vary by age, sex, and race