And while some mutations can change our spleens and diet, others can protect us against deadly conditions, like AIDS.

有些基因突变可以改变我们的脾脏或者饮食习惯，有些可以对我们起到保护的作用，比如说像艾滋病这种致死的情况。

Health officials say the use of trans fats in food products is possibly harmful and can lead to deadly health conditions.

卫生官员表示，在食品中使用反式脂肪酸可能有害，并能导致致命的健康问题。