The protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and in turn returns carbon dioxide is called hemoglobin. The red color in blood is because of the iron contained in hemoglobin.
A low hemoglobin count is generally defined as less than 13.5 grams of hemoglobin per deciliter (135 grams per liter) of blood for men and less than 12 grams per deciliter (120 grams per liter) for women. In children, the definition varies with age and sex. The threshold differs slightly between medical practices.
A low hemoglobin count is a commonly seen blood test result. In many cases, a low hemoglobin count is only slightly lower than normal, isn't considered significant and causes no symptoms. A low hemoglobin count can also be caused by an abnormality or disease. In these situations, a low hemoglobin count is referred to as anemia.
A low hemoglobin count isn't always a sign of illness — it may be normal for some people. Women who are pregnant commonly experience low hemoglobin counts.
Anemia can occur if your body is unable to produce enough red blood cells, destroys red blood cells, loses blood or is unable to produce healthy red blood cells. This may be due to various causes, including nutritional deficiencies, inherited disorders, an enlarged spleen and certain cancers. Anemia can leave you feeling very tired and weak, making it difficult to exercise or even perform day-to-day activities.
Anemia
When hemoglobin levels are low, your tissues and organs do not receive enough oxygen. This can make you feel tired, weak or short of breath. Anemia can also cause chest pain, tachycardia, irregular heartbeat, difficulty concentrating, brittle nails, pale skin, headache and craving non-nutritious things, such as ice.
Also Read:
How To Raise Your Hemoglobin Levels Naturally?
Hereditary Causes and Treatment of Anemia
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