Ngủ ít - nguy cơ bị cảm cúm gấp 3 lần
Cập nhật: 15:04 15/02/2009 GMT+7
Một nghiên cứu mới đây chỉ ra rằng những người thiếu ngủ hay ngủ không sâu có nguy cơ bị cảm cúm sau khi nhiễm virut cúm cao hơn những người ngủ đủ giấc.
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