Children who live with smokers are more likely to develop middle ear infections (otitis media) and lower respiratory tract infections.

与吸烟者生活在一起的儿童容易患中耳炎和下呼吸道感染。

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Unfortunately, serious health problems can develop when foreign proteins are allowed into the infant's permeable intestinal tract.

遗憾的是，当外源(非母体)蛋白质进入婴儿的渗透性肠道时，可能会带来严重的健康问题。

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Valtin says that for people who have specific health concerns, such as kidney stones or a tendency to develop urinary tract infections, drinking lots of water can be beneficial.

瓦尔汀认为，对于患肾结石或者可能尿路感染，确实担心身体健康的人来说，多喝水有好处。

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As of October 1, 2008, Medicare no longer pays hospitals for the added costs incurred by patients who develop catheter-related urinary tract infections and other catheter- or surgery-related infections.

CNN: Unsung heroes work hard to cut hospital-acquired infections