Freinkel says they're quick to rebut any studies that come out suggesting a correlation between exposure to synthetic chemicals and possible health issues.
她还说他们对任何公开提出人工化学品和健康问题之间可能存在关联的研究成果，会迅速展开辩驳。
By comparing data from 22 studies from 1987 to 2006, they found a link between these issues and problems later in life.
通过比较从1987年到2006年的22项研究的数据，他们发现了存在于这些问题和日后的行为问题之间的联系。
Needless to say, the actual body of research on this topic involves numerous different studies, and the scientific issues arising here can be quite complex.
毋庸赘言，关于这个主题的研究实际上涵盖了无数的不同实验，并且所涉及到的科学问题会很复杂。
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