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Allergies过敏

Allergy is the term used to describe an adverse (bad) reaction by the body to a particular substance.过敏是所用的词来形容一个不利的（坏）的反应，身体某一特定的实质内容。 Most things that cause allergies are not obviously harmful, and have no affect on people who are not allergic.大部分的事情，造成过敏是没有明显有害的，并不会影响人谁不过敏。

Any substance that triggers an allergic reaction is called an allergen.任何物质引起过敏反应的是一个所谓的过敏原。 There are many different types of allergens; three of the most common are pollen, dust mites and nuts.有许多不同类型的过敏原;三个最常见的是花粉，尘螨和坚果。 Allergens contain protein, which is found in all living organisms, and it is the protein that causes the reaction.含有过敏原蛋白，这是发现在所有的活的生物体，它是蛋白质造成的反应。 Some drugs such as penicillin can also cause allergic reactions.一些药物，如青霉素，也可以引起过敏反应。 They do not contain protein, but they can cause a reaction if they bind to proteins in the body.它们不包含蛋白质，但它们可以引起反应，如果他们绑定到蛋白质在人体内。

An allergic reaction to the allergen happens when you come into contact with it. 1过敏反应过敏原发生时，你接触到它。 Contact may be with your skin, or with the lining of your lungs, mouth, gullet, stomach or intestine.接触可能会与你的皮肤，或与衬砌您的肺，口腔， gullet ，胃或肠。 If your body reacts badly to a particular substance, you are said to be allergic to it.如果您的身体反应严重到某一特定的实质内容，你说是过敏。

Allergic reactions can cause a range of symptoms.过敏反应，可导致一系列的症状。 Some can be quite mild, and some are serious, very occasionally resulting in death.一些可以相当温和，一些严重的，非常偶尔造成死亡。

Allergies are very common and affect around one in four people in the UK at some time in their lives.过敏是非常普遍和影响周围的一在4人在英国，在一些时间在他们的生活。 Each year the numbers increase by 5%, with many more children being affected.每年的人数增加了5 ％ ，还有更多的儿童受到影响。