Hít khói thuốc lá, trẻ dễ bị dị ứng
Cập nhật: 12:49 20/01/2008 GMT+7
Đối với trẻ nhỏ, nếu bị hít khói thuốc lá ngay từ những năm tháng đầu đời sẽ có nguy cơ mắc bệnh dị ứng sau này, nghiên cứu mới đây công bố.
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