Part of the reason for the increased pressure on schools is that there are now fewer "early intervention" and low-level mental health services based in the community.

学校压力增加的部分原因在于，在社区内提供的“早期干预”和基础心理健康服务较少。

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PepsiCo's plan for its foods and drinks is based on guidelines from the World Health Organisation, which last week backed using taxes on sparkling drinks to reduce sugar consumption.

百事可乐的食品和饮料计划是基于世界卫生组织的指导方针而制定的。这个指导方针在上周表示支持对苏打饮料征税，以减少糖的摄入。

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"Rely on health experts who've reviewed all the evidence," Liebman says, pointing to the official government Dietary Guidelines, which are based on reviews of hundreds of studies.

“这要依靠健康专家，他们已经审查了所有的证据。”利伯曼指着基于数百项研究的审查的官方政府膳食指南说。

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Nicholas Christakis and James Fowler based the study on the emotional health of almost 5,000 people.

VOA: special.2009.01.21

Now several lectures down the road we'll talk about modern food and epidemiology; that is what the research on food intake and human health, and what do we know about our health and well-being based on diets.

接下来的几堂课,我们将讨论现代食品和流行病学的关系,即食品摄入与人类健康方面的研究,我们通过饮食来了解自身健康状况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The findings are based on questions about health-related quality of life in government telephone surveys.

VOA: special.2010.01.13

The campaign cited experts who said the Obama tax plan offered bigger cuts than McCain's for the bottom 80 percent of earners, and asserted that McCain's health care plan would "erode the employer-based health system" without reducing the ranks of the uninsured.

CNN: McCain: I work for you

Scientists at MVP - a partnership between the World Health Organization and the Seattle-based Program for Appropriate Technology in Health - believe their vaccine could help to save thousands of lives each year.

BBC: Meningitis A vaccine hope

The economic value of the health impacts was based on premature mortality, workdays lost, and other direct costs to the healthcare system resulting from emissions of PM2.5, NOx, and SO2.

FORBES: How Much Do Health Impacts From Fossil Fuel Electricity Cost The U.S. Economy?