食物是为人体提供生存和动力的能量来源,一般来说都是安全的。但是在日常生活中,我们经常可以见到食物过敏现象的发生。比如有人吃鱼、肉、奶、蛋、醋、酒、酱及某些蔬菜水果后,会出现头昏、恶心、呕吐、皮肤瘙痒、湿疹、荨麻疹、腹泻等症状,严重的甚至出现过敏性休克。特别是近几年随着环境污染后果的显现,人类体质和食物构成发生了微妙的变化。食物过敏现象越来越多,最为出名的案例是一个对所有食物都过敏的澳洲男孩,在人们眼中最为普通的就餐成了对他最大的折磨。这种病是怎么引起的?能不能预防?成了人们为关心的话题。 Food is a source of energy that provides the human body with survival and motivation, which is generally safe. But in everyday life, we can often see the occurrence of food allergies. For example, some people may experience dizziness, nausea, vomiting, pruritus, eczema, urticaria and diarrhea after eating fish, meat, milk, eggs, vinegar, wine, sauce and certain fruits and vegetables, and even serious allergies shock. Especially in recent years, with the appearance of environmental pollution consequences, human constitution and food composition have undergone subtle changes. More and more food allergies, the most famous case is an Australian boy allergic to all food, the most common in the eyes of people eating became his greatest torture. How is this disease caused? Can it be prevented? It has become a topic of concern.