First, it produces stress hormones that can lead to many health problems.

首先，它产生的应激激素会导致许多健康问题。

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They learn first hand about the health and nutrition of dairy cattle, as well as the science of making butter, cheese, and other dairy products.

他们亲自了解有关奶牛的健康和营养知识，以及制作黄油，奶酪和其他乳制品的技术。

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Health is the first, and study is the second.

健康第一，学习第二。

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The World Health Organization this week declared the first pandemic, or worldwide spread, of influenza in forty-one years.

VOA: special.2009.06.13

The World Health Organization says Rift Valley fever was first discovered in Kenya in nineteen thirty-one.

VOA: special.2010.07.12

"It's a big deal. How big a deal you have to measure piece by piece but clearly it is the first major change in our health care system since nineteen sixty-five so that's a long time coming."

VOA: special.2010.03.27

Bernanke said that access to health care is the first major challenge that health-care reform must address, adding that 47 million Americans, or 16.0% of the population, are currently uninsured.

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In the United States, public-health officials at first feared they had around 200 cases but on April 17th the number of probable cases was revised down to just 35.

ECONOMIST: Still spreading | The

So we think that if you can take care of health care first and let dentistry -- do that kind of thing -- it's more important to take care of the health care first.

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