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Genetic Disorder: What is sickle cell anemia?

Sagot :

Answer:

All people have both red and white blood cells. Normal red blood cells are round and flexible. They can bend and move easily through narrow blood vessels in the body. A person who has sickle cell anemia has some red blood cells that are hard and curved, like a farmer's sickle. These sickle-shaped blood cells can get stuck in the body's blood vessels. When blood vessels are blocked, oxygen cannot get to all parts of the body. This causes pain in the place where the blood vessel is blocked.

Sickle cells are very fragile and can break apart easily. This causes the person to have anemia, or not have enough red blood cells. Without enough red blood cells, a person's body does not get the oxygen it needs. The person often gets tired and gets infections easily. A person with sickle cell anemia needs to have plenty of fluids and should avoid things that decrease oxygen, such as smoking. This disease is most often found in people of African descent and in people from countries around the Mediterranean Sea. Blood tests can determine whether or not a person has inherited this disease.