Does anyone else have Sickle Cell Anemia?

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Sickle-cell disease occurs when a person inherits two abnormal copies of the haemoglobin gene, one from each parent.[3] This gene occurs in chromosome 11.[9] Several subtypes exist, depending on the exact mutation in each haemoglobin gene.[2] An attack can be set off by temperature changes, stress, dehydration, and high altitude.[1]

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