The genes in question control a type of white blood cell known as natural killer cells, or NK cells.

斯坦福大学的研究者们提出的这项假设发人深思，甚至出人意料。 他们所说的基因控制了一种被称为自然杀手细胞(NK细胞）的白血球细胞。

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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.

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。

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Cole had never seen such an assertive killer before, she repeatedly assailed the guards, and tried to asphyxiate her cell mate.

科尔从没见过这样武断的凶手。她不断攻击狱警，并试图使自己的狱友窒息死亡。

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Their natural killer cell numbers, for instance, have normalized and a few have largely recovered.

FORBES: Connect

The "Lady in the Lake" killer found dead in his cell had previously seen a report into the prison suicide of Harold Shipman, an inquest has heard.

BBC: Gordon Park and Carol Park

Two specific types of immune system cell that attack invaders - CD4 T-cells and natural killer cells - increased in number with age, with a higher rate of increase in women than in men.

BBC: Biological clue to why women live longer than men