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说到保健品,维生素堪为最佳。请看科学家为你带来的最新信息——◆VA:保护呼吸道◆世界卫生组织确认,VA缺乏大大增加了发展中国家儿童肺炎、腹泻的发病率,包括中国在内。缺乏VA时人体的特异与非特异免疫功能均受损,呼吸道、消化道粘膜完整性遭到破坏,病原体易于侵袭而引起炎症,且发病率和病情常
When it comes to health supplements, vitamins are the best. Look at the latest information that scientists have brought to you - ◆ VA: Protecting the respiratory tract ◆ WHO confirms that lack of VA has greatly increased the incidence of pneumonia and diarrhea among children in developing countries, including China. In the absence of VA, the specific and non-specific immune functions of the human body are impaired, the integrity of the respiratory and gastrointestinal mucosa is destroyed, pathogens are easily invaded and cause inflammation, and the morbidity and prevalence are often