Though sucking zinc lozenges has been promoted as a treatment for the common cold, research has revealed no consistent effect.

虽然吸锌片已经被推广为治疗普通感冒的药物，但研究显示并没有一致的效果。

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However, she added, other studies suggest antidepressant treatment has no effect on cognitive function.

然而，她增加到，其他的研究则表明抗抑郁药的治疗对认知功能无影响。

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The traditional water treatment process has no obvious effect on removal of estrogen-like matters.

水厂传统的处理工艺对类雌激素物质的去除效果不明显；

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However, in a separate study of more than 36, 000 patients' records, Mr Richard Sainsbury, a consultant at Huddersfield Royal Infirmary, found that delays between referral by a GP and initial treatment had no significant effect on survival rates.

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"With this data now available from more than one study, it really becomes the responsibility of parents, physicians, and teachers to pay attention to the relative-age effect and not intervene with treatment and labeling of children who it's no fault of their own what time of year they were born, " Garland says.

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