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Hemoglobin is a protein in red blood cells that carries oxygen from the lungs to the rest of the body. Its function in the blood is of the utmost importance, since the transport of oxygen through the blood must be carried out unalterably linked to the hemoglobin (the amount of oxygen dissolved in the blood is minimal), so that the transport of oxygen from the blood lungs to all cells of the body will depend on the hemoglobin. It is also hemoglobin the one that transfers carbon dioxide from the organs and tissues to the lungs.

Hemoglobin has a very important role in the transport of oxygen, so it is essential to maintain stable levels. Low levels of hemoglobin are related to a low red blood cell count (often due to lack of iron), and depending on its value it can be considered an anemia, with all the consequences this brings on health and functionality. On the other hand, hemoglobin levels that are too high are also not good as it increases the viscosity of the blood and could increase the risk of thrombosis with the serious risk that it can entail.

The maintenance of normal hemoglobin levels requires a balanced diet and healthy habits, but hidden bleeding or sometimes food deficits or excess physical exercise can lead to a fall in hemoglobin values with the establishment of anemia.

Recommended levels

The recommended hemoglobin values depend on several factors: age, sex, type of sporting life and diet:

  • Children 5 - 12 years old: 11,5 g/dL

  • Children 12 - 16 years old: 12,0 g/dL

  • Men: 13,8 & 17,2 g/dL

  • Women: 12,1 & 15,1 g/dL

  • Pregnant women: 11,0 g/dL or higher

As it is an element of great importance to our body, it is essential to keep hemoglobin levels under control. For this purpose, it is important to exercise regularly and follow a balanced diet.

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