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Anemia > Fact Sheets > Yale Medicine anemia Overview Anemia is a problem of not having enough healthy red blood cells or hemoglobin to carry oxygen to the body's tissues anemia Overview Anemia is a problem of not having enough healthy red blood cells or hemoglobin to carry oxygen to the body's tissues

anemia Anemia is a condition in which a person doesn't have enough red blood cells to carry oxygen throughout the body As a result, they may experience dizziness,

anemia South Asia accounted for % of the global anemia burden, whereas sub-Saharan Africa contributed % The main causes of anemia worldwide Mild anemia often causes fatigue, weakness, and paleness In addition to these symptoms, more severe anemia may cause faintness, dizziness, increased thirst,