Certain foods have nutrients that can help boost your immunity and help your body fight sinus and respiratory infections, which are linked to allergies and hayfever.
Function description: it has strong ability to sterilize, and could help purify respiratory tract, clean infected skin, strengthen immunity, centralize the attention.
功效说明：具有很强的抗菌力，可帮助净化呼吸道，清洁受感染的皮肤，增强免疫力，可使注意力集中。
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Objective In order to know the influence of passive smoking on children's respiratory system diseases, concentration of sulphocyanate in saliva, non-specifical immunity.