Anemia is a condition that develops when your blood produces a lower-than-normal amount of healthy red blood cells. If you have anemia, your body does not get enough oxygen-rich blood. The lack of oxygen can make you feel tired or weak. You may also have shortness of breath, dizziness, headaches, or an irregular heartbeat. According to the Centers for Disease Control and Preventionexternal link, about 3 million people in the United States have anemia.
There are many types of anemia, including:Mild anemia is a common and treatable condition that can develop in anyone. It may come about suddenly or over time, and may be caused by your diet, medicines you take, or another medical condition. Anemia can also be chronic can also be chronic, meaning it lasts a long time and may never go away completely. Some types of anemia are inherited. The most common type of anemia is iron-deficiency anemia.

