如西非人以及他们的后代易患一种叫做镰状细胞性贫血的疾病，这种病在西非之外几乎都没人听说过。

West Africans, and people of West African descent, are susceptible to a disease called sickle-cell anaemia that is virtually unknown elsewhere.

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这些疾病大多起源于糖与脂肪过量摄入以及久坐的习惯，但也包括镰状细胞症（这种血液病变是导致非洲儿童非传染性疾病死亡的最大杀手），这种病很容易治疗，但几乎常常都得不到确诊。

But they also include sickle-cell disease, a blood disorder that is the biggest non-communicable killer of Africa’s children. It is easily treatable, but almost always goes undiagnosed.

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免疫功能低下者、脾脏移除者、镰状细胞病患者、或因肾衰而使用糖皮质激素的患者也处于该疾病的高风险中。

You are also at higher risk if you have a weakened immune system, have had your spleen removed, are on corticosteroids because of kidney failure or have a sickle cell disease.

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