The results show that after supplement selenium the rate of respiratory infection is lower and the childrens health level is better.

结果表明，补硒后呼吸道感染率明显降低，儿童的健康水平明显提高。

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Vitamin C did not appear to have any effect one way or the other, and the team said more work was needed into this supplement - as well as into selenium.

维生素C从哪方面都没有出现任何影响，研究队说需要投入更多工作到这种补充物上，就像硒的研究一样。

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Taking a daily supplement of selenium will not ward off cancer, say experts who have reviewed the available evidence.

通过检查可获得的证据，专家声称每日补充硒，并不能预防癌症。

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Some experts have suggested that it may be more effective to supplement the minerals such as zinc and selenium that the body uses to produce catalase, MSR A and B, and tyrosinase, rather than take them directly.

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