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For Patients: Sickle Cell Trait

key information

source: American Society of Hematology

year: N/A

summary/abstract:

Sickle cell trait is an inherited blood disorder that affects 1 million to 3 million Americans and 8 to 10 percent of African Americans. Sickle cell trait can also affect Hispanics, South Asians, Caucasians from southern Europe, and people from Middle Eastern countries. More than 100 million people worldwide have sickle cell trait.

Unlike sickle cell disease, a serious illness in which patients have two genes that cause the production of abnormal hemoglobin (the substance in red blood cells that helps carry oxygen), individuals with sickle cell trait carry only one defective gene and typically live normal lives. Rarely, extreme conditions such as severe dehydration and high-intensity physical activity can lead to serious health issues, including sudden death, for individuals with sickle cell trait.

 

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