The prevalence of obesity among American boys and girls has quadrupled over the past 25 years.

过去25年，美国人的普遍肥胖已经增加了四倍。

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Effective intervention measures should be implemented to decrease the prevalence of obesity and malnutrition.

应采取有效的干预措施，控制肥胖率的上升，同时降低营养不良率。

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For three of the four BMI cut points, the prevalence of obesity continued to increase through 2008 for black and American Indian girls.

由身体质量指数的四个切点中的三个就可以看出，整个2008年，黑人和美国印第安女孩的肥胖发生率持续上升。

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"Compared with the nutrition survey results of 1992, the prevalence of being overweight has increased 39% and the prevalence of obesity increased 97%, " the vice minister said, as quoted in newswire reports.

FORBES: Fat In China

The rate is now increasing almost as quickly as it is in America, although the prevalence of obesity in Britain still lags behind the land of the free and the home of the burger.

ECONOMIST: Well past pear-shaped

By facilitating reliable science to inform dietary guidelines, NuSI seeks, by the year 2025, to see a reduction in the prevalence of obesity in the United States from 35 percent to 15 percent and a reduction in the prevalence of diabetes from 8 percent to 2 percent.

FORBES: A Manhattan Project To End The Obesity Epidemic