But a study by researchers at the University of California, San Francisco, says smoking could threaten this progress.

但是旧金山加利福尼亚大学的研究人员发表的一项研究表明，吸烟可能威胁到这一进展。

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University of California, San Francisco, researchers have long hunted genes related to how and when people sleep.

加州旧金山大学的研究人员一直在寻找与人们睡眠质量和时间有关的基因。

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Dr. Bargmann moved in 1991 to the University of California, San Francisco, to start her own lab.

巴格曼博士1991年转移到旧金山的加州大学开始创立自己的实验室。

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Yet sleep scientist Ying-Hui Fu at the University of California, San Francisco,says little is known about the basic need for sleep.

VOA: special.2009.08.26

Kirsten Bibbins-Domingo at the University of California San Francisco, was the lead author.

VOA: special.2010.01.27

Dr.Rebecca Smith-Bindman of the University of California San Francisco led a study of more than one thousand patients in four of the city's biggest hospitals.

VOA: standard.2010.01.30

Wen-Chi Hsueh of the University of California, San Francisco, has been looking at one important aspect of disposable-soma theory.

ECONOMIST: Ageing

Now scientists - at the University of California, San Francisco, and Cincinnati Children's Hospital Medical Center - believe that body-penetrating light can alter the development of the eye, at least in mice.

BBC: Light in womb 'gives healthy eyes' - in mice

Cynthia Kenyon , a researcher at the University of California in San Francisco, found a life-extending gene in C. elegans, a tiny species of worm.

FORBES: Starvation--And Long Life--In A Pill?