Even though the evidence supporting the benefits of
尽管表明低热量饮食
calorie restriction is getting stronger all the time,
会为我们带来好处的证据日益增多
I cannot in all honesty imagine
说实话 我完全无法想象
myself doing what Joe does.
自己会遵循乔的方式生活
Which creates something of a dilemma.
这让我进退两难
So, what I really want to do
所以 我真正想做的是
is try to understand the ways in which calorie restriction works,
弄明白低热量饮食如何改善健康
then hopefully I can get all the delicious benefits
然后最好能在享受美味的同时享受健康
without actually having to do it.
而不用真正控制饮食
I'm in Los Angeles,
现在我在洛杉矶
a city that is notoriously addicted to youth.
众所周知 这座城市痴迷于永葆青春
In fact, many people here seem to think
事实上 在这里的许多人
that growing old and wrinkled is optional.
都认为衰老与皱纹是可以避免的
I'm not going to see anyone as superficial as a plastic surgeon.
我不会去见整形医生这种治标不治本的人
I'm here to meet one of the world's foremost experts on ageing.
我是来拜访世界上最权威的衰老研究专家

重点解释：

1.even though 即使；尽管

例句：Even though he tried, he still lagged behind other runners.
尽管他努力了，仍落在其他赛跑者之后。

2.be addicted to 沉溺于,嗜好,一心在

例句：He was addicted to cocaine.
他吸可卡因上瘾。

3.in fact 其实； 事实上

例句：In fact, I think you're right.
事实上，我认为你是对的。