Hemoglobin Levels Topic Guide

Hemoglobin (Levels) Hemoglobin (Levels): Hemoglobin is the protein molecule in red blood cells that carries oxygen from the lungs, to the body 's tissues, and returns carbon monoxide from the tissues back to the lungs. Hemoglobin values are related to a persons age and sex. Low hemoglobin levels in the blood is referred to as anemia. High hemoglobin levels in the blood are caused by cancer, lung diseases, bone marrow disorders, blood doping, living at a high altitude, and inappropriate use of the drug Epogen. Treatment of a high or low hemoglobin level depends on the cause.

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