A study by the Center for Research on the Epidemiology of Disasters finds that, between 1980 and 2007, nearly 8,400 natural disasters killed more than two million people.

灾害流行病学研究中心的一项研究发现，在1980年至2007年间，近8400起自然灾害导致200多万人死亡。

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A study by the Centre for Research on the Epidemiology of Disasters finds that between 1980 and 2007, nearly 8,400 natural disasters killed more than two million people.

灾害流行病学研究中心的一项研究发现，在1980年至2007年间，近8400起自然灾害导致200多万人死亡。

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Edward Giovannucci , a professor of nutrition and epidemiology at the Harvard School of Public Health, added: 'It is very rare a single study should be used to make a broad recommendation.'

在哈佛大学公共卫生学院的营养学和流行病学教授Edward Giovannucci补充道,很少有人会将一次研究结论广泛推荐给大众.

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The latest study was presented Saturday at a meeting of the Society for Health Care Epidemiology in Dallas,Texas.

VOA: special.2011.04.06

And earlier this year the evidence against many hours of sitting expanded further: The American Journal of Epidemiology published a study finding that those who work a sedentary job have almost twice the risk of a specific type of colon cancer.

CNN: Sitting for hours can shave years off life

Two papers featured in the current issue of the prestigious American Journal of Epidemiology provide useful examples of how, simply because a study has been carried out, its findings can get held up as if they were meaningful, and the many considerations that should make us skeptical get short shrift.

FORBES: Does Coffee Drinking Really Protect Against Devastating Diseases?

In the American Journal of Epidemiology this month, Janet Hildebrand and colleagues reported on a large study looking at the effects of coffee on throat cancers.

FORBES: Have another cup of coffee - it's good for you!