有希望长生不老英语阅读

　　A study published Wednesday found that rapamycin, a drug used in organ transplants, increased the life span of mice by 9% to 14%, the first definitive case in which a chemical has been shown to extend the life span of normal mammals.

有希望长生不老英语阅读

　　日前发布的一项研究显示，用于器官移植的药物雷帕霉素(rapamycin)可以使老鼠的寿命延长9%至14%，这是化学药物被证明可以延长正常哺乳动物寿命的首个确凿案例。

　　Anti-aging researchers also expect a second study, to be released this week, will show that sharply cutting the calorie intake of monkeys extends their lives substantially. The experiment is said to be the first technique shown to retard aging in primates.

　　此外，抗衰老研究人员还预计，将于不久后发布的第二项研究会显示，大量减少猴子的'卡路里摄取量可以大幅延长它们的寿命。这项实验据称是首个被证明可以延迟灵长类动物衰老的方法。

　　The prospect of a reliable human longevity pill is still distant. A commentary released with the rapamycin study strongly cautioned against taking the drug to prolong life because of potentially deadly side effects. Rapamycin suppresses the immune system and carries strong warnings about the resulting risk of infections and death.

　　研制出可以延长人类寿命的有效药物仍然是个遥不可及的挑战。与雷帕霉素研究一起发布的一篇评论警告称，由于可能出现致命的副作用，不可服用雷帕霉素来延长寿命。雷帕霉素会抑制免疫系统的活动，可能因此造成感染和死亡的风险，在这方面已经有过严重的前车之鉴。

　　But the mouse and monkey findings appear to mark the most substantial scientific progress yet in the search for ways to extend human life spans -- once viewed as a fringe area of study.

　　不过，对于老鼠和猴子的研究发现似乎是延长人类寿命领域这个一度被视为边缘科学研究的一项具有标志性意义的进展。

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