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加拿大一项最新研究显示,儿童每天摄入高剂量的维生素D无助预防冬季感冒。加拿大多伦多大学研究人员近日在《美国医学会杂志》上报告说,病毒性上呼吸道感染是儿童常见病,而摄入维生素D长期以来被认为有助预防这种感染,为此他们招募了约700名1
A recent Canadian study shows that high daily intake of vitamin D in children is not helpful in preventing winter flu. Researchers at the University of Toronto in Canada recently reported in the Journal of the American Medical Association that viral upper respiratory tract infection is a common childhood condition and that vitamin D intake has long been thought to help prevent this infection, for which they recruited about 700 Name