一项由华盛顿大学和伦敦皇家学院的研究人员共同执笔,并于6月15日出版的一项研究结果显示,预期寿命所取得的全国性进步掩盖了广泛的地方性差异。例如,密西西比州Holmes县男性预期寿命为65.9岁,与巴基斯坦男性相同,但要比佛吉尼亚州Fairfax 县男性少15.2岁。美国各县之间的差距从1980年代早期开始扩大。最令人担忧的是,有702个县的女性预期寿命在2000年至2007年间出现了大幅下降,有251个县的男性预期寿命出现大幅下降。
Americas advances on the national level, meanwhile,have lagged behind those of other developedcountries. A panel at the National Research Councilrecently took on the task of studying longevity. ForAmerican women, a rise in life expectancy of 3.3years from 1980 to 2007 amounted to just 60% ofthe gains in other rich countries.
同时,美国在国家层面的进展已经落后于其它发达国家。美国国家科研委员会的一个专家组近期受命研究寿命。从1980年到2007年,美国女性预期寿命增长了3.3岁,只达到其它发达国家增幅的60%。
Much can be blamed on mid-century smoking habits. Obesitys effect, however, is debated.While both Americans and Australians have ballooning bellies, Australias life expectancy hascontinued to move up nicely. Researchers at the National Research Council estimated thatAmericas high rates of obesity accounted for between one-fifth and one-third of its lagging lifeexpectancy relative to other rich countries.
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