At around age 60, "muscles really start to break down," say Kathryn Starr, an aging researcher, "and because of that, the protein needs of an older adult actually increase."

在60岁左右，“肌肉真的开始分解，”一位研究衰老的研究员凯瑟琳·斯塔尔说，“也正因为如此，老年人对蛋白质的需求实际上增加了。”

youdao

One possibility relates to the ATP-making machinery's emission of free radicals, which are thought to contribute to aging and to such age-related diseases as cancer by damaging cells.

一个可能的解释与制造 ATP 的组织释放出的自由基有关，人们认为它通过破坏细胞来促进老化，并且导致这种像癌症一样的和年龄有关的疾病。

youdao

Bring those facial products, serums, moisturizers and anti aging products down your neck, because the neck is one of the easiest ways to see someone's real age.

把面部产品，血清，保湿和抗衰老产品用到你的脖子上，因为脖子是最容易看到人真实年龄的一个地方。

youdao

Age-related disease and aging itself involves multiple genes.

FORBES: Why You Should Fear Giant Databases With Your DNA

So it was that I embarked on an upgrade trek for my European i9000 with CyanogenMod to get their latest stable CM9 version and try to bring my aging device kicking and screaming into the Ice Cream Sandwich age.

ENGADGET: IRL: Mailplane, Verizon Wireless iPad and the Samsung Galaxy S running CM9

The variable Stock and Watson ultimately cite is the decline in labor force participation, and they argue it is driven by the aging of the workforce and the overall distribution of workers by age.

FORBES: Does An Aging Population Hurt The Economy?