10 Causes of Lightheadedness
9. Anemia
Anemia is a medical condition that can be defined as a reduction in the total number of circulating red blood cells. Recall, that red blood cells are in charge of transporting oxygen to the tissues, and they carry it within a molecule known as hemoglobin. There are many causes of anemia, but the most common one is caused by a shortage of iron in the body (iron-deficiency anemia).
As previously mentioned, the brain needs oxygen to function properly. Lightheadedness can be a symptom of anemia because as red blood cells decrease so does the delivery of oxygen to the brain. Other signs or symptoms of anemia include weakness, fatigue, pallor (pale skin), and shortness of breath.
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