文字稿瑞典的一项大型研究项目发现，家中有宠物狗的低龄孩子日后不大可能患哮喘。 BBC 记者 Michelle Roberts 有以下报道： Many people are allergic to dogs, or at least the dead skin cells and saliva that they shed as they groom themselves. But a new piece of research from Sweden suggests early exposure to these pets could cut a child's future risk of allergy. Living with a dog in the home in the first year of life was linked to a 13% lower risk of asthma in later childhood among the 650,000 children the authors tracked. The researchers say this fits with the hygiene hypothesis which favours exposure to dust and dirt to improve our tolerance of common allergens. But for a child who is already allergic to dogs, buying a puppy would not be a good idea. 词汇表
allergic （生理上）过敏的，有过敏反应的 |
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