Vitamin B12–deficiency anemia develops when your body can't make enough healthy red blood cells because it doesn't have enough vitamin B12. Learn about its’ causes, symptoms, and treatments.| NHLBI, NIH
Iron-deficiency anemia develops if you do not have enough iron in your body. Learn about the causes, symptoms, and treatments for iron-deficiency anemia.| NHLBI, NIH
Hemolytic anemia occurs when your red blood cells are destroyed faster than they can be replaced. Learn about its’ causes, symptoms, and treatments.| NHLBI, NIH
How do I order NHLBI publications? Printed versions of publications may be ordered from the NHLBI Center for Health Information. To order, select from these| NHLBI, NIH
