原文视听

If you should weigh 12 stone and in fact weigh 16,
若合理体重是12英石 但你却有16
then your chances of death from a heart attack are 50% more.
那你死于心脏病的几率会增加50%
With overweight goes high blood pressure,
超重还会导致高血压
and that makes the heart work harder,
使得心脏难以负荷
and high fats in the blood itself,
而血液中脂肪含量过高
which makes it clot and cause thrombosis.
会导致血液凝结 形成血栓
But it's not only how much we eat, but what we eat.
除了关注吃多少 吃什么也很重要
With the can and packet revolution
随着罐头和独立包装的广泛运用
has come an outstanding change in our fats.
我们摄入的脂肪发生了质的改变
What's important are the
问题的关键就是
proportions of unsaturated and saturated fats.
饱和与不饱和脂肪间的比例
These farm animals are different from those of 50 years ago.
这些家畜和50年前早已大相径庭
Beef not only contains much more fat,
牛肉里脂肪含量大大增加
but it's the saturated kind.
而其属于饱和脂肪
These huge quantities of hard
大量此类脂肪酸酯
fat are causing the epidemic of coronary disease.
使冠心病盛行开来
It would be another 20 years
我们至少还需花上20年
before the connection between heart disease
才能准确明了地得出
and the increased levels of saturated
心脏病与日常饮食中
fat in our diet could be graphically demonstrated.
不断增长的饱和脂肪含量间的联系
A lot of people think that obesity is a cosmetic issue,
多数人觉得肥胖不过影响外表美观
not fitting into a dress or something like that.
顶多是穿不了漂亮的衣服云云
But it's not.It lies at the heart
其实这是一大批
of a host of medical illnesses and diseases.
医学疾病的核心问题
This is serum from a healthy patient.
这是从一名健康的患者身上提取的血清
The blood has been spun to separate and take the red cells away.
我们将红细胞从中分离出去
A slightly yellow colour but quite clear.
可以看到它呈浅黄色 但很清澈
This is serum from a person who is clinically obese.
这个则是临床诊断为肥胖症患者的血清样本
It looks almost like milk, it's so cloudy.
看上去就像牛奶 很浑浊
And what's causing that is all the fat globules
区别源自我们体内
and the fat that is circulating in the blood around the body.
在血液中循环往复的脂肪球与脂肪
Not only does that cause a narrowing of the arteries,
这不仅会导致动脉狭窄
slowing the flow of blood and delivery of oxygen to the tissues.
还会减缓血流量 阻碍其向组织供氧
It actually causes damage and a secondary process
这将会危害健康
starts which leads to further damage to those blood vessels.
进而对血管造成更大的危害

重点解释

These farm animals are different from those of 50 years ago.这些家畜和50年前早已大相径庭

different from:和 ... 不同

Their school is different from ours.

他们的学校与我们的不同。

These huge quantities of hard fat are causing the epidemic of coronary disease.大量此类脂肪酸酯使冠心病盛行开来

huge quantities of:大量

A huge quantity of food was donated to poor people.

大批的食物捐赠给穷人。

Not only does that cause a narrowing of the arteries,slowing the flow of blood and delivery of oxygen to the tissues.这不仅会导致动脉狭窄，还会减缓血流量，阻碍其向组织供氧

not only:不仅

Water is not only colorless, but odorless as well.

水不仅没有颜色，也没有气味。

deliver to:转交,交付,传达

The food the stomach deliver to me is highly acid.

胃传送给我的食物是高度酸性的。

The baggage will be delivered to you at the station.

你将在车站拿到行李。