Aging happens to all of us, and is generally thought of as a natural part of life.

我们每个人都会衰老，衰老通常被认为是生命中自然的一部分。

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Such advances offer the aging population a quality of life that was unimaginable when I entered medicine 50 years ago.

这些进步给老年人带来了高质量的生活，这在50年前我刚从医时是不可思议的。

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The researchers running the multicenter CALERIE study are trying to determine whether restricting food intake can slow the aging process and extend our life span.

项目的研究者正致力于探究减少进食量是否能减缓机体衰老，延长寿命。

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Yet that facility, which is essential for modernization to extend the life of aging ballistic nuclear warheads, has now been delayed for at least five years, and some believe, permanently.

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The arrangement, which appears to be the first of its kind in the U.S., is intended to let students use the latest software programs, create a more reliable computing system and extend the life of aging PCs.

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Medicine prolongs life and slows aging, but personal satisfaction is as elusive a commodity as it was for Dorian Gray.

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