空腹吃食物帮助人体时钟准时。
Putting food into an empty stomach helps synchronize the body clock.
咖啡在早上可以延迟人体时钟，在晚上可以提早人体时钟。
Coffee delays the body clock in the morning and advances it at night.
他们认为明亮的晨光有助于人体时钟的同步，这样有助于调节人体的新陈代谢。
They believe that bright morning light helps synchronise the body clock, which then helps regulate metabolism.
一般情况下，这两种定时器是步调一致的。外部信号常常调节人体时钟命使之达到更为便利的24小时周期。
Normally the two timers are in step, and the external cues tend to regularise the internal clocks to the more convenient 24 hour period.
人体生长激素也被发现是一种起恢复作用的酏，虽然实验表明它也不能将生命时钟倒转。
Human growth hormone has also been touted as a restorative elixir, even though research has indicated that it can't turn back the clock.
这种简易时钟根据人体工效学设计而成，仅靠一个柠檬供电就可走上整整一周。
Ergonomically styled, the simple clock can run for a whole week powered by a single lemon.
在人脑中央深处有个叫做下丘脑的部位(就在视神经交叉处正上方)，人体自带的时钟就在这里运转。
Deep inside the brain, in a region called the hypothalamus (right above where our optic nerves cross) the internal clock is ticking.
和时钟相似，人体可以定时在晚上，而这时太阳正在升起来。
Similarly, the body can be set for evening while the sun is rising.
人体衰老的时钟可以通过改变这种化学平衡予以重新设置。
By changing that chemical balance, the clock of aging can be reset.
人体衰老的时钟可以通过改变这种化学平衡予以重新设置。
By changing that chemical balance, the clock of aging can be reset.
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