30 Asthma-Mid

Asthma FOCUS Question What is asthma, and why do some people have it?

哮喘焦点问题什么是哮喘，为什么有些人会得哮喘?

We Need to Breathe Breathe in. You are bringing air into your body through your nose and mouth. The air travels down your windpipe to your lungs. A gas in the air called oxygen passes from your lungs into your blood. Your body uses this oxygen to produce energy. Breathe out. You are pushing air out of your lungs. Now you can breathe in new air again. Aaaaah! When your body works hard, you need more oxygen. Your breaths get faster and deeper. Each breath brings more oxygen to your lungs and blood.

我们需要呼吸吸气。 你是通过鼻子和嘴巴把空气带入你的身体。 空气通过气管进入肺部。 空气中有一种叫做氧气的气体从肺部进入血液。 你的身体利用这些氧气来产生能量。 呼出。你在把空气从肺里挤出来。 现在你又能呼吸到新鲜空气了。 Aaaaah !当你的身体努力工作时，你需要更多的氧气。 你的呼吸越来越快，越来越深。 每一次呼吸都会给你的肺和血液带来更多的氧气。

What Is Asthma? Your airways, or bronchial tubes, are the passageways that carry air to your lungs. Asthma (AZ-muh) is a physical condition that affects a person's airways. It causes the tubes to swell. The tissue lining the tubes becomes thick and filled with mucus. The airways become narrow. Less air can get into the lungs with each breath. Imagine trying to breathe through a thin straw instead of a wide paper towel tube. During asthma attacks, people can't get enough air to their lungs. They may wheeze or cough and feel pain in their chest. Most attacks go away by themselves. But sometimes people have to use medicine or go to the hospital to get help breathing.

什么是哮喘?你的气道，或支气管，是将空气输送到肺部的通道。 哮喘(AZ-muh)是一种影响呼吸道的身体状况。 它会导致管子膨胀。 管子内衬的组织变厚并充满粘液。 气道变得狭窄。 每次呼吸进入肺部的空气都会减少。 想象一下用一根细吸管而不是宽纸巾管呼吸。 在哮喘发作期间，人们的肺部无法获得足够的空气。 他们可能会喘息或咳嗽，并感到胸痛。 大多数攻击会自行消失。 但有时人们不得不使用药物或去医院帮助呼吸。

Can I Catch Asthma? What can you do to keep from getting asthma? Wash your hands? Use a tissue? No. You can't catch asthma from someone who has asthma. It is not spread by germs like a cold. Most people with asthma have had it since birth. They are born with sensitive airways. Their parents often have sensitive airways, too. Children of any age can develop asthma symptoms. Sometimes the symptoms go away as children grow up. Other people get asthma as adults. People who smoke or breathe in a lot of polluted air are more likely to get asthma Science in Your World About one of every eleven children has asthma.

我会得哮喘吗?你能做些什么来避免患哮喘? 洗手?用纸巾吗? 不。你不会从患有哮喘的人那里感染哮喘。 它不像感冒那样通过细菌传播。 大多数哮喘患者从出生起就患有哮喘。 他们天生就有敏感的呼吸道。 他们的父母通常也有敏感的呼吸道。 任何年龄的儿童都可能出现哮喘症状。 有时症状会随着孩子的成长而消失。 还有一些人成年后会得哮喘。 吸烟或吸入大量污染空气的人更容易患哮喘科学在你的世界大约每11个孩子中就有一个患有哮喘。

Allergies and Asthma Ah-choo! Do cats make you sneeze? Do peanuts make you itch? You may have an allergy. People with an allergy can become sick when they eat, breathe, or touch something, even if it is usually harmless to other people. Allergies can also cause asthma attacks. Many things can cause asthma symptoms to occur or get worse. These things are called triggers. An allergy can be a trigger for some people. Do You Know? Many people are allergic to dust mites which live in mattresses, rugs, and furniture. Vacuuming doing laundry, and replacing old pillows can help people with asthma.

过敏和哮喘阿秋!猫会让你打喷嚏吗? 花生会让你痒吗?你可能过敏了。 过敏的人在吃、呼吸或触摸某些东西时就会生病，即使这些东西通常对其他人无害。 过敏也会导致哮喘发作。 很多事情都会导致哮喘症状的发生或恶化。 这些东西被称为触发器。 对某些人来说，过敏可能是诱因。 你知道吗?许多人对生活在床垫、地毯和家具上的尘螨过敏。 吸尘洗衣服，更换旧枕头可以帮助哮喘患者。

That's Irritating When you breathe in air, you also breathe in dust, smoke, and odors. Do you use candles? Air fresheners? Perfume? Strong smells can irritate the airways and are often triggers for asthma. So is smoke from fireplaces and cigarettes. Outside you breathe in polluted air from cars and factories. People with asthma should avoid things that irritate their airways. Strong smells and dirty air can be triggers for asthma attacks.

当你吸入空气时，你也吸入了灰尘、烟雾和气味。 你用蜡烛吗?空气清新剂吗? 香水吗?强烈的气味会刺激呼吸道，通常是哮喘的诱因。 来自壁炉和香烟的烟雾也是如此。 在外面，你呼吸着来自汽车和工厂的污染空气。 哮喘患者应该避免刺激呼吸道的东西。 强烈的气味和肮脏的空气会引发哮喘发作。