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Warm people likely to keep cold at bay
Pages: 36
Year: Issue:  6
Journal: 同学(少儿版)

Abstract: <正>一项最新研究表明,保持快乐的心情是预防冬季生病的最佳良方。研究人员让一群身体健康的志愿者接触感冒病毒或流感病毒,结果发现,性格开朗的人染病的几率较小。
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