过敏
以下为译写摘要，并非原文的完整翻译。过敏是免疫系统对大多数人不受影响的物质产生反应。过敏者往往对多种物质敏感，常见诱因包括：• 花粉
Health topics
呼吸与过敏
Asthma, respiratory conditions and allergies.
呼吸与过敏
Food Allergy
暂无此语言译文，显示英文原文。What is a food allergy?A food allergy is an abnormal immune system reaction to certain foods. Your immune system normally protects you from germs. But if you have a food allergy, your i…
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