纪录片《饮食变迁》 第2期:合理摄入食物对健康的重要性（在线收听）

As a nutritionist, I've spent my career

作为营养学家 我一直在研究

researching how what we eat determines what we are.

我们摄入的食物如何影响我们自身

Of course, we now know that eating the right kind of food

当然 我们现在知道合理摄入食物

is crucial for good health,

对健康至关重要

but it's only relatively recently we've taken that as read.

但只在不久前 我们才开始将其奉为真知

The greatest impact of the change in

当今社会普遍的肥胖症

our eating habits is the modern-day epidemic of obesity.

就是我们饮食习惯变化后最显著的影响

In just a couple of generations, we've gone from suffering from

仅仅过了几代人 我们就从

the diseases of poverty

因挨饿饱尝病痛

to being afflicted by the diseases of excess.

走向因饮食无度而疾病缠身

But it's surprising how

但令人惊讶的是

long it's taken scientists to understand the

科学家们花了这么长时间

true causes of obesity and

才弄清我们的饮食习惯

the real connection to our eating habits.

与肥胖的成因实际上有何种联系

Since it was launched on the airwaves 45 years ago,

自四十五年前开播以来

Horizon has attempted to understand this connection too,

地平线栏目一直致力于了解两者的联系

and has charted science's

同时记录下科学手段

attempts to change how our food is produced,

尝试改变食物生产方式的种种努力

initially to combat the real problem

以及与人口爆炸式增长

of an exploding population with not enough to eat

带来的食品匮乏问题展开的搏斗

as well as trying to unearth how and why

同时试图揭开这些变化为何 及怎样

these changes have impacted so disastrously on our health.

对我们的健康造成如此灾难性的影响