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Hemoglobin is found in red blood cells, and it consists of four protein molecules connected with each other, and hemoglobin contains mainly iron and is called heme, which gives the blood its red color, and hemoglobin helps transport oxygen from the lungs to different tissues and cells of the body, and return dioxide Carbon from tissues and cells to the lungs, in addition to its role in maintaining the normal shape of red blood cells, and the level of hemoglobin in the blood is usually checked as part of a test called a complete blood count, as normal hemoglobin values ​​vary according to age and gender.

Symptoms of hemoglobin deficiency:
  •  The bodies of the infected suffer from a lack of oxygen transported to the cells and organs, and therefore they may exhibit many symptoms and signs of illness, namely:
  •  Weakness, shortness of breath, and dizziness.
  •  Accelerated and irregular heartbeat.
  •  Suffering from headache and pain.
  •  Cold hands or feet.
  •  Paleness and yellowing of the skin, and a feeling of itching in some cases.
  • Chest pain, and a tinnitus sensation inside the head.
  • The sense of taste changes, so the taste of the food eaten becomes strange and different from the usual.
  •  Glossitis and difficulty swallowing.
  • Craving non-food items, such as paper or ice.
  • Infection with ulcers in the corners of the mouth.

Causes of low hemoglobin:
Blood loss:
Where the loss of red blood cells can occur due to bleeding in the body, as in cases of hemorrhoids, cancer, gastritis, and ulcers, or due to the use of some types of drugs, such as: aspirin, ibuprofen, or the continuation of menstrual periods for a long time.

 Decreased production of red blood cells:
This occurs when the body produces a small amount of red blood cells, or it produces abnormal red blood cells, and this is due to many reasons, such as a lack of vitamins and minerals necessary for red blood cells and hemoglobin, or sickle cell anemia, or problems in the bone marrow. Or, iron deficiency anemia.

Destruction of red blood cells:
Where the red blood cells are fragile; As it cannot withstand pressure inside the circulatory system and ruptures prematurely, causing hemolytic anemia, and this type of anemia has several causes, including some genetic conditions, such as having sickle cell anemia and thalassemia, drug abuse, exposure to toxins and some chemicals, and tumors or Severe burns, high blood pressure, coagulation disorders, and others.

Ways to increase hemoglobin:
 There are several methods that help increase the proportion of hemoglobin in the blood, namely:
 Take iron supplements:
In the event of a very low hemoglobin level, the doctor may advise that you take iron supplements in different doses as determined, and a person with low hemoglobin level usually begins to notice an increase in the level of iron after about a week to a month of taking the supplements, but it should be noted that some effects may appear. Side effects after taking iron supplements, such as constipation, nausea and vomiting.

Eat foods that contain folic acid:
Folic acid has an important role in the production of red blood cells, and one of the best dietary sources of folic acid is beef. , Spinach, lettuce, rice, peanuts, avocado.

  Increase iron absorption:
1 for you is done by eating foods that help iron absorption faster, which are foods rich in vitamin C: such as, citrus fruits, strawberries, and leafy greens. And foods rich in vitamin A, such as fish, liver, squash, sweet potatoes and kale. , Foods rich in beta-carotene, such as carrots, sweet potatoes, pumpkin, cantaloupe, and mangoes.

Eat foods that contain iron:
Where iron has an important role in the production of hemoglobin and the formation of red blood cells in the body, and iron is found in many foods, such as meat, fish, and eggs. , Dried fruits, and green leafy vegetables, such as, spinach, broccoli, cabbage, nuts and seeds, peanut butter, liver and shellfish. Beans and lentils.