密歇根大学2011年展开的一项调查发现，61%的家长曾给两岁及以下的孩子服用止咳和感冒药。

An earlier University of Michigan poll from 2011 found 61% of parents with children 2 and younger had given them cough and cold medications.

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尽管专家警告称给幼儿服用止咳和感冒药不安全，但近期一项调查显示，仍有近半数的美国家长在使用这些非处方产品。

Despite safety warnings not to give sick toddlers cough and cold medications, almost half of parents in a recent survey are using the over-the-counter products anyway.

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