The insecticide used on some weeds can cause health problems.
喷洒在野草上的杀虫剂会引发各种健康问题。
Some biofuels cause more health problems than petrol and diesel, according to scientists who have calculated the health costs associated with different types of fuel.
统计过使用不同燃料需要付出之健康代价后，有科学家指出，某些生物燃料引起的健康问题更甚于汽油和柴油。
Some studies have suggested that they cause cancer, allergies, and other health problems, while other studies question those findings.
一些研究结果表明它们会引起癌症，过敏和其它健康问题，与此同时，也有其它研究在考证这些发现。
However, when ingested, the chemical can cause serious health problems and in some cases death.
然而，当摄入三聚氰胺时，这种化学物质能够造成严重的健康问题，同时在某些条件下会导致死亡。
Many people are concerned that artificial sweeteners, like some other synthetic chemicals, may cause health problems.
许多人关注人造甜味剂是否时会像其它化学合成品那样引起健康问题。
Silicone leakage has been reported in some cases which may cause serious health problems.
有机硅泄漏已报道，在某些情况下可能会导致严重的健康问题。
Some vitamins can cause health problems if consumed in excess, which is a mistake many people make when supplementing their diet.
如果摄入过量，某些类型的维生素会导致健康问题，这便是很多人在额外补充营养时所犯的错误。
CDC officials say about 35 percent of Americans are obese. Obesity can cause many health problems, including heart disease, stroke, Type 2 diabetes and some kinds of cancer.
CDC官员表示，大约35%的美国人属于肥胖。肥胖会导致很多健康问题，例如心脏病、中风、二型糖尿病以及某些类型的癌症。
First noticed in dogs some 75 years ago, vitamin deficiencies can cause a variety of health problems.
75年前，人们第一次注意到，缺乏维生素会给狗带来一系列的健康问题。
That will help pay the bills, but it could cause other problems: A new study suggests that some jobs are so demoralizing they're actually worse for mental health than not working at all.
最近，一项研究表明，对心理健康而言，那些非常令人沮丧的工作，做还不如不做。
That will help pay the bills, but it could cause other problems: A new study suggests that some jobs are so demoralizing they're actually worse for mental health than not working at all.
最近，一项研究表明，对心理健康而言，那些非常令人沮丧的工作，做还不如不做。
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