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Chinese school children are frequently exposed to low doses of antibiotics found in their environment and food.

Researchers tested 1,000 school children of 8 to 11 years of age in Shanghai and neighboring provinces for 18 antibiotics. The team from Fudan University says the antibiotics were detected in almost 60 percent of the children surveyed.

The study also found antibiotics which have been discontinued in clinical use for years. The study suggested contaminated food and the environment were likely the source of antibiotic exposure, as these non-clinical antibiotics are prevalent in food and the environment.

Exposure to antibiotics results in drug resistance and potential harm to health. The research team will further explore the impact of antibiotic exposure to human health.

antibiotic n. 抗生素 adj. 抗生素的

children of 8 to 11 years of age 8岁至11岁的儿童 描述年龄有这样几种常见的说法：1. * years old； 2. * years of age；3. aged *（*为具体数字）。这三种方式既适用于个体，也适用于有年龄跨度的群体。还有一种是ages *，只适用于有年龄跨度的群体。比如：Kids ages 5 to 7 can be very sensitive to this particular information. （五到七岁的孩子可能对这则信息非常敏感。）

clinical use n. 临床应用

non-clinical antibiotic n. 非临床用抗生素

result in v. 导致…结果，一般都描述负面情形
例句：
The earthquake in Nepal has resulted in many casualties, not to mention huge economic losses. （尼泊尔地震导致大量人员伤亡，更别提巨大的经济损失了。）
It is said that half of the road accidents result in head injuries. That’s certainly an alarming statistic. （据说一半的道路交通事故会导致头部损伤。这确实是一个让人警醒的数据。）