Placebo effects can be clinically meaningful and can rival the effects of active medication in patients with asthma.

在哮喘病人中，安慰剂效应可能具有临床意义，并且可对抗活性药物的效应。

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Its latest research shows the vitamin calms an over-active part of the immune system in asthma.

BBC: Sunshine vitamin 'may treat asthma'

Ms. Vigil says Celia hasn't had an asthma attack since she's become more active.

WSJ: Kids With Asthma Play Hard, Too