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And the first myth is if you try really hard
謠言一：如果你很努力地嘗試，
you can live to be 100.
你就可以活到一百歲。
False.
錯了。
The problem is, only about one out of 5,000 people
事實上，在美國，每五千人中只有一人
in America live to be 100.
能活到一百歲
Your chances are very low.
你的機會太小了。
Even though it's the fastest growing demographic in America,
盡管現在美國正處與人口增長最快的時期?
it's hard to reach 100.
活到一百歲仍然還是很困難的
The problem is
問題在于，
that we're not programmed for longevity.
我們人類沒被設為長壽，
We are programmed for something called
只是被預設為需要達到
procreative success.
繁衍的成功的狀態(tài)
I love that word.
這個詞棒極了
It reminds me of my college days.
讓我回想起我上大學的時候?
Biologists term procreative success to mean
生物學對生殖成功的定義是?
the age where you have children
你有孩子的年齡
and then another generation, the age when your children have children.
以及下一代，你孩子有他們自己孩子的年齡
After that the effect of evolution
達到這個年齡后，生物遺傳的意義
completely dissipates.
就完全淡化了?
If you're a mammal, if you're a rat
不論你是哺乳動物，老鼠
or an elephant, or a human, in between, it's the same story.
大象，人，或是其它，道理都一樣
So to make it to age 100, you not only have to have
所以要活到一百歲，你不僅要
had a very good lifestyle, you also have to have won
有一個很好的生活方式，你還必須
the genetic lottery.
擁有長壽基因的好運
The second myth is,
第二個謠言是，
there are treatments that can help slow,
擁有能夠幫助我們減緩
reverse, or even stop aging.
倒轉甚至阻止衰老的方法
False.
錯
When you think of it, there is 99 things that can age us.
說到這，有99種可能會使我們老去。
Deprive your brain of oxygen for just a few minutes,
讓大腦缺氧，僅幾分鐘
those brain cells die, they never come back.
就會使得腦細胞死亡并永不能復活
Play tennis too hard, on your knees, ruin your cartilage,
過度打網球會損害膝蓋的軟骨
the cartilage never comes back.
你的軟骨永遠不再復原。
Our arteries can clog. Our brains can gunk up with plaque,
我們的動脈會堵塞。大腦會因血小板凝結
and we can get Alzheimer's.
而得老年癡呆癥
There is just too many things to go wrong.
我們體內有35萬億個細胞
Our bodies have 35 trillion cells,
出問題的可能性太多
trillion with a "T." We're talking national debt numbers here.
我們這里說的是國債數量。
Those cells turn themselves over once every eight years.
這些細胞每八年翻轉一次
And every time they turn themselves over
每次翻轉都有一些損傷
there is some damage. And that damage builds up.
這些損傷
And it builds up exponentially.
以指數性規(guī)律成長。
It's a little bit like the days when we all had
有點像是那段時間里
Beatles albums or Eagles albums
我們都有披頭士和老鷹樂隊的相冊一樣
and we'd make a copy of that on a cassette tape,
我們會復制盒式磁帶
and let our friends copy that cassette tape,
并讓朋友們也復制
and pretty soon, with successive generations
很快，代代相傳
that tape sounds like garbage.
磁帶現在聽起來過時了
Well, the same things happen to our cells.
同樣細胞也是如此。
That's why a 65-year-old person
這就是為什么一個65歲的老人
is aging at a rate of about
的老化速度
125 times faster
是一個12歲孩子
than a 12-year-old person.
的125倍
So, if there is nothing you can do
所以如果沒有什么能夠
to slow your aging or stop your aging,
減緩或停止老齡化
