4 Why Do I Itch

WHY DO I ITCH? WHY DO I?

我为什么痒？为什么呢？

Do You Feel Itchy? Some itches make your skin feel very hot. Have you ever had an itchy feeling on your skin that you really, really needed to scratch? The itch could be on your arm, your leg, or maybe even your head! You can feel itchy anywhere on your body. But where do itchy feelings come from? An itch might feel like a bug crawling on your skin.

你觉得痒吗？有些痒会让你的皮肤感觉很热。 你是否曾经有过皮肤发痒的感觉，你真的，真的需要抓挠？ 痒可能在你的手臂上，你的腿上，甚至你的头上！你会觉得身上任何地方都发痒。 但是发痒的感觉是从哪里来的呢？ 发痒的感觉就像有虫子在你的皮肤上爬。

What makes You Itch? Many things can make you itch. Your skin could be itchy because you have an allergy to something. Sunburns can cause itchy skin too. Sunburns look pink or red and can be very painful! An itch can be very annoying, but it is actually a message. The itch gives important health information to your brain.

什么让你发痒？很多事情都会让你发痒。 你的皮肤可能会发痒，因为你对某些东西过敏。 晒伤也会引起皮肤发痒。 晒伤看起来是粉红色或红色的，而且会很疼！瘙痒可能很烦人，但它实际上是一种信息。 瘙痒会给大脑提供重要的健康信息。

Instant messages Information comes to your brain from all parts of your body. Your skin takes in information about what it touches. It sends this information to the brain. Your skin has many layers. Scratching is done on the protective top layer. The information travels through parts of your body called nerves. A bunch of nerves called the spinal cord carries the information to the brain. If the information tells your brain about an itch, your brain tells you to scratch. Your skin protects everything inside your body from harmful things such as the cold and germs.

信息从你身体的各个部位传到你的大脑。 你的皮肤会接收接触到的东西的信息。 它将这些信息发送给大脑。 你的皮肤有很多层。 划痕是在保护性的表层上进行的。 信息通过你身体的神经传递。 一束被称为脊髓的神经将信息传递到大脑。 如果这些信息告诉你的大脑痒了，你的大脑就会告诉你去挠。 皮肤保护身体内部的一切免受寒冷和细菌等有害物质的侵害。

Itches and Scratches Start at Step 1 at the bottom of the page and follow the itch! STEP 1: When something tickles you, such as a feather, your skin feels it. STEP 2: Your skin sends information about what it feels through nerves inside your body. STEP 3: The information is passed on to your spinal cord STEP 4: When the information reaches your brain, it tells you to scratch.

瘙痒和划痕开始在第1步在页面的底部，跟着痒！第一步：当有东西挠你痒痒的时候，比如羽毛，你的皮肤能感觉到。 第二步：你的皮肤通过你体内的神经传递它所感受到的信息。 第三步：信息传递到你的脊髓。第四步：当信息到达你的大脑时，它会告诉你抓挠。

Scratch Attack When you scratch the itch, your skin tells your brain that something hurts. Your brain focuses on the pain of the scratch instead of on the itch. This helps you stop thinking about the itch. Scratching can sometimes make you feel better. Scratching feels good at first. But sometimes, scratching can make the itch feel even worse. Too much scratching might even make you bleed. Tell your parent or caregiver if you have an itch that won't stop itching.

当你抓挠痒时，你的皮肤会告诉你的大脑有什么地方疼。 你的大脑关注的是抓伤时的疼痛，而不是痒。 这可以帮助你不再去想痒。 抓挠有时会让你感觉更好。 刚开始挠痒痒的感觉很好。 但有时候，抓挠会让瘙痒感觉更糟。 抓得太多可能会让你流血。 告诉你的父母或照顾你的人，如果你痒到止不住。