纪录片《轻松活过101岁》 第23期 移民环境对预期寿命的影响

Bradley has studied the health of over 8,000 Japanese-American men

Bradley已经研究了8000多个日裔美国人的健康状况，

analysing the impact of immigration on life expectancy¹.

分析了移民环境对预期寿命的影响。

So, you've got you know a population of Japanese Americans in Hawaii

因此，对已经掌握了在夏威夷的日裔美国人，

that evolved eating different foods in Japan

发展了与日本不同的饮食，

and then, after a couple of generations on a typical Western diet,

接着，在一代人处于西方饮食条件下，

they're at higher risk, I think,

我认为，他们对比

for certain diseases like diabetes³ than are populations that grew up eating western food.

如糖尿病这样的疾病，所处的风险，要比西方人更高。

The American lifestyle appears to be far more detrimental⁴ to people of Japanese descent than other Americans.

美国生活方式，对日本人后裔损的害程度似乎远比其他美国人来得高。

Having evolved to thrive on a low-calorie diet, to survive periods of famine,

正在蓬勃发展的低热量饮食，饥饿期生存，

it seems their bodies are simply not suited to the abundance of food.

看来他们的身体根本不能与丰富的食品相匹配。

It's a case of they've got good genes⁵,

这是因为他们有了良好的基因，

but they're in the wrong environment

然而他们生活在不好的环境中，

so, very much... healthy ageing is a gene² environment interaction,

因此，健康长寿是基因环境的相互作用，

so there's many changes that have occurred

所以会有很多变化，

across human populations that grew up in certain circumstances

发生在有些特殊环境中成长的人群，

that affect modern-day populations.

影响现代人群。

It's a lesson that needs to be heeded⁶

这是需要加以注意的教训，

even in the places where people live longer than anywhere else on earth.

即使是生活在比其他地方时间更长的地方。

1 expectancy   

n.期望，预期，（根据概率统计求得）预期数额

参考例句：

• Japanese people have a very high life expectancy.日本人的平均寿命非常长。
• The atomosphere of tense expectancy sobered everyone.这种期望的紧张气氛使每个人变得严肃起来。

2 gene   

n.遗传因子，基因

参考例句：

• A single gene may have many effects.单一基因可能具有很多种效应。
• The targeting of gene therapy has been paid close attention.其中基因治疗的靶向性是值得密切关注的问题之一。

3 diabetes   

n.糖尿病

参考例句：

• In case of diabetes, physicians advise against the use of sugar.对于糖尿病患者，医生告诫他们不要吃糖。
• Diabetes is caused by a fault in the insulin production of the body.糖尿病是由体內胰岛素分泌失调引起的。

4 detrimental   

adj.损害的，造成伤害的

参考例句：

• We know that heat treatment is detrimental to milk.我们知道加热对牛奶是不利的。
• He wouldn't accept that smoking was detrimental to health.他不相信吸烟有害健康。

5 genes   

n.基因( gene的名词复数 )

参考例句：

• You have good genes from your parents, so you should live a long time. 你从父母那儿获得优良的基因，所以能够活得很长。 来自《简明英汉词典》
• Differences will help to reveal the functions of the genes. 它们间的差异将会帮助我们揭开基因多种功能。 来自英汉非文学 - 生命科学 - 生物技术的世纪

6 heeded   

v.听某人的劝告，听从( heed的过去式和过去分词 )；变平，使（某物）变平( flatten的过去式和过去分词 )

参考例句：

• She countered that her advice had not been heeded. 她反驳说她的建议未被重视。 来自《简明英汉词典》
• I heeded my doctor's advice and stopped smoking. 我听从医生的劝告，把烟戒了。 来自《简明英汉词典》