纪录片《节食还是截寿》 第21期:生长因子

They smoke or eat very high calorie diets,

他们吸烟 吃高热量的食物

and then they look at me and they say,

然后他们看着我说

"Oh, it doesn't matter. I'm immune."

没关系的 我有免疫力

But the incredible thing is that there's no evidence

不可思议的是 没有证据显示

of a single one of them ever dying of cancer,

他们中曾有人死于癌症

yet their normal-height relatives

但是他们的那些正常身高的亲戚

get cancer like everybody else.

会跟其他人一样得癌症

People with Laron syndrome¹

莱伦氏综合症的患者

have a mutation² which makes them small,

因基因突变而导致身材矮小

but which also seems to protect them against all these diseases.

但却因此对所有这类疾病具有免疫力

It's incredible working with them.

和他们在一起工作棒极了

It's a great group, and of course

非常好的一群人 当然

for us is a group that in one mutation,

对我们来说 这群基因突变的人

can tell us about diabetes³,

能让我们进一步了解糖尿病

cancer, cardiovascular diseases and ageing.

癌症 心血管疾病和衰老的关系

The Ecuadorian villagers and the long-lived mice

厄瓜多尔的村民们和那只长寿的小鼠

have something in common.

有着相似之处

Their bodies produce exceptionally low levels

他们分泌的类胰岛素一号生长因子

of the growth hormone⁴ IGF-1.

含量非常低

1 syndrome   

n.综合病症；并存特性

参考例句：

• The Institute says that an unidentified virus is to blame for the syndrome. 该研究所表示,引起这种综合症的是一种尚未确认的病毒。
• Results indicated that 11 fetuses had Down syndrome. 结果表明有11个胎儿患有唐氏综合征。

2 mutation   

n.变化，变异，转变

参考例句：

• People who have this mutation need less sleep than others.有这种突变的人需要的睡眠比其他人少。
• So far the discussion has centered entirely around mutation in the strict sense.到目前为止，严格来讲，讨论完全集中于围绕突变问题上。

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 hormone   

n.荷尔蒙，激素，内分泌

参考例句：

• Hormone implants are used as growth boosters.激素植入物被用作生长辅助剂。
• This hormone interacts closely with other hormones in the body.这种荷尔蒙与体內其他荷尔蒙紧密地相互作用。