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On one axis you have dietary fat, the other you have how much-- in fact I should have brought the graph but I didn't-- how much breast cancer there is in the society.
其中一个轴是膳食脂肪摄入量,另一个轴是,事实上我应该把图表带来的但没有,社会上的乳腺癌病例数量
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We're exposed to things that might cause cancer where weren't exposed to them before and so that might be a reason.
我们暴露于可能致癌的物质中,这些物质在以前是没有的,这可能就是原因之一
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It worked for them, they didn't have all these chronic diseases like we have, now they had other challenges, infectious diseases primarily, but they didn't have the chronic diseases like we have, like cancer, heart disease, hypertension, hyperlipidaemia, etc., and Diabetes particularly.
这曾对祖先们奏效,他们不像我们会得一些慢性疾病,但他们要面对其他的挑战,主要是传染性疾病,但他们不像我们那样受着慢性疾病的困扰,如癌症,心脏病,高血压和高脂血等,特别是糖尿病
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Why is cancer one of the leading killers in the U. S. now but wasn't even on the charts in 1665?
为什么癌症现在是美国人的头号杀手,却甚至没有在一六六五年的名单中出现
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One way that that's done is by introducing genes into cancer cells, genes that aren't normally expressed in any mammalian cell, but that will cause the cancer cell to die.
已经成功应用的一种方法是,将基因导入癌细胞,而这种基因通常不在哺乳动物细胞中表达,但是可以导致癌细胞的死亡
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In 1665, they weren't diagnosing cancer.
在一六六五年,人们还诊断不出癌症
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They live much longer lives and they live to die of something else and the leading causes of death currently haven't changed very much since 1997 when this data was published: they die of heart disease and cancer primarily.
人们活的更久了,不过会死于另一些疾病,如今导致死亡的主要原因,并没有太大的变化,自一九九七年有相关数据公开开始,其显示人们主要死于心脏病和癌症
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