Sickle cell anemia is a disease in which your body produces abnormally shaped red blood cells. The cells are shaped like a crescent or sickle. They don't last as long as normal, round red blood cells. This leads to anemia. The sickle cells also get stuck in blood vessels, blocking blood flow. This can cause pain and organ damage.

A genetic problem causes sickle cell anemia. People with the disease are born with two sickle cell genes, one from each parent. If you only have one sickle cell gene, it's called sickle cell trait. About 1 in 12 African Americans has sickle cell trait.

The most common symptoms are pain and problems from anemia. Anemia can make you feel tired or weak. In addition, you might have shortness of breath, dizziness, headaches, or coldness in the hands and feet.

A blood test can show if you have the trait or anemia. Most states test newborn babies as part of their newborn screening programs.

Sickle cell anemia has no widely available cure. Treatments can help relieve symptoms and lessen complications. Researchers are investigating new treatments such as blood and marrow stem cell transplants, gene therapy, and new medicines.

NIH: National Heart, Lung, and Blood Institute

More:
Sickle Cell Anemia: MedlinePlus - National Library of Medicine

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