人为什么总呕吐？你的大脑里有个呕吐开关
字幕摘录
| 时间 | 英文 | 中文 |
|---|---|---|
| 0:00 | If you've eaten something poisonous, throwing up can be a lifesaver, and we humans eject | 如果你吃过有毒的东西 呕吐会成为救生器 我们人类会弹出 |
| 0:04 | the contents of our stomachs pretty frequently, but most of us haven't inadvertently poisoned | 胃里的东西很频繁 但我们大部分人没有无意中下毒 |
| 0:08 | ourselves. | 我们自己 |
| 0:09 | Instead, we have the flu, or we're pregnant, or car sick, or stricken with stage fright. | 相反,我们有流感, 或者我们怀孕, 或汽车生病, 或者患有舞台恐惧症。 |
| 0:13 | Why do we vomit so much? | 为什么我们呕吐这么多? |
| 0:16 | Welcome to Minute Err- whoa. | 欢迎光临"一分钟" |
| 0:18 | Okay, nevermind, moving on. | 好吧,没关系,继续前进。 |
| 0:20 | In the back of humans' brains, we have what's basically a vomit control center, whose sole | 在人类脑后,我们有一个 基本上是一个呕吐控制中心,它的独家 |
| 0:24 | job it is to try to figure out whether we've ingested something that we should, well, un-ingest. | 工作是试着找出我们是否摄入了一些东西 我们不应该摄入的东西 |
| 0:28 | That vomit control center uses a few different streams of information to make its decision, | 呕吐控制中心使用几种不同的信息流 来做出决定, |
展开字幕全文（50 条）
| 序号 | 英文 | 中文 |
|---|---|---|
| 1 | If you've eaten something poisonous, throwing up can be a lifesaver, and we humans eject | 如果你吃过有毒的东西 呕吐会成为救生器 我们人类会弹出 |
| 2 | the contents of our stomachs pretty frequently, but most of us haven't inadvertently poisoned | 胃里的东西很频繁 但我们大部分人没有无意中下毒 |
| 3 | ourselves. | 我们自己 |
| 4 | Instead, we have the flu, or we're pregnant, or car sick, or stricken with stage fright. | 相反,我们有流感, 或者我们怀孕, 或汽车生病, 或者患有舞台恐惧症。 |
| 5 | Why do we vomit so much? | 为什么我们呕吐这么多? |
| 6 | Welcome to Minute Err- whoa. | 欢迎光临"一分钟" |
| 7 | Okay, nevermind, moving on. | 好吧,没关系,继续前进。 |
| 8 | In the back of humans' brains, we have what's basically a vomit control center, whose sole | 在人类脑后,我们有一个 基本上是一个呕吐控制中心,它的独家 |
| 9 | job it is to try to figure out whether we've ingested something that we should, well, un-ingest. | 工作是试着找出我们是否摄入了一些东西 我们不应该摄入的东西 |
| 10 | That vomit control center uses a few different streams of information to make its decision, | 呕吐控制中心使用几种不同的信息流 来做出决定, |
| 11 | but none of those sources are perfectly reliable. | 但是这些消息来源都无法完全可靠。 |
| 12 | The first source of vomit decision info comes from the blood. | 呕吐决定信息的第一个来源来自血液. |
| 13 | The idea is that if you've eaten or drunk something toxic, nasty stuff will quickly diffuse | 这个想法是,如果你已经吃或喝 有毒的东西,肮脏的东西会迅速扩散 |
| 14 | from your stomach into your bloodstream. | 从你的胃进入你的血液。 |
| 15 | So specialized cells in the vomit center are constantly sampling nearby capillaries. | 因此呕吐中心的专用细胞不断在附近采样毛细血管. |
| 16 | If they detect high levels of toxins or pathogens in your blood, the vomit center will initiate | 如果发现你血液中的毒素或病原体含量很高 呕吐中心就会启动 |
| 17 | an effort to rid you of the poison. | 为了让你摆脱毒药 |
| 18 | But there are lots of ways into your bloodstream, so things like chemotherapy medicine and certain | 但进入你的血液有很多方法 所以,比如化疗医学和确定 |
| 19 | viruses can end up in your blood without ever going into your stomach. | 病毒可以进入你的血液 而不进入你的胃。 |
| 20 | In those cases, you might end up vomiting, even though that doesn't do anything to | 那样的话,你可能会呕吐,尽管那对 |
| 21 | eliminate the problem. | 消除问题。 |
| 22 | Your vomit control center also monitors your nausea level. | 你的呕吐控制中心也监视你的恶心程度 |
| 23 | When you're in a situation that might be dangerous, like if you're eating something | 当你处于危险的处境时 就像你吃东西一样 |
| 24 | that doesn't smell quite right, or munching on magic mushrooms, your nervous system sends | 闻起来不太对劲, 或吸食魔法蘑菇, 你的神经系统发送 |
| 25 | out waves of nausea. | 摆脱了恶心的浪潮。 |
| 26 | Usually that's uncomfortable enough to make you stop doing the risky thing, though if | 通常这很不舒服 让你不再做危险的事,但如果 |
| 27 | your nausea level gets high enough, your vomit control center will purge your stomach contents | 你的呕吐量足够高 你的呕吐控制中心会清理你的胃内脏 |
| 28 | to undo any damage. | 以弥补任何损害。 |
| 29 | But there are all sorts of non-food-related situations that your body senses as may be | 但身体可能感觉到 各种与食物无关的情况 |
| 30 | risky, like driving on a windy mountain road, or getting ready to give a presentation, which | 冒险,如驾车 在风雪漫漫的山路上, 或者准备做一个演示, |
| 31 | can also induce nausea, and therefore a vomiting spell as well. | 也会引起恶心,因此也会引起呕吐咒语. |
| 32 | The final source of info your vomit control center uses is the state of your stomach. | 你呕吐控制中心使用的信息的最后来源是胃的状态. |
| 33 | A nerve that directly connects your gut to your brain sends information about how full | 神经能直接连接你的肠胃和大脑 传递关于如何充裕的信息 |
| 34 | your stomach is. | 你的胃是这样的。 |
| 35 | If you've eaten way too much or have some weird blockage, your stomach sends an alarm | 如果你吃得太多或者有怪异的堵塞 你的胃会发出警报 |
| 36 | signal and your vomit control center tries to relieve that pressure by vomiting to save | 你的呕吐控制中心试图通过呕吐来缓解压力 |
| 37 | your digestive system from permanent damage. | 您的消化系统 从永久损伤。 |
| 38 | But the hormones produced by newly pregnant people can sometimes hijack that nerve, causing | 但新怀孕的人产生的荷尔蒙 有时会劫持神经 |
| 39 | it to send out messages that the stomach is too full, no matter how much is actually in | 它发出的信息, 肚子太饱了, 不管多少实际上是在 |
| 40 | the stomach. | 肠胃 |
| 41 | The vomit control center smashes that puke button anyway, and because the pregnancy hormones | 呕吐控制中心把呕吐按钮打碎了 因为怀孕激素 |
| 42 | aren't from food, and so are still there after vomiting, it often does it over and | 呕吐后还在那里,它经常重复 |
| 43 | over and over and over again. | 一次又一次 |
| 44 | Perhaps we should be glad our vomit control centers have a safety first attitude. | 也许我们应该高兴 我们的呕吐控制中心 有安全第一的态度。 |
| 45 | After all, it probably helped save our ancestors from extinction. | 毕竟,它可能帮助我们祖先免于灭绝。 |
| 46 | But in the modern world, we're confronting our bodies and brains with all sorts of new | 但是,在现代世界,我们面对 我们的身体和大脑 各种新的 |
| 47 | experiences that they're not all that well prepared for. | 他们没有做好充分准备 |
| 48 | As a result, our vomit centers are going to be seeing more action than ever. | 因此,我们的呕吐中心将看到比以往更多的行动。 |
| 49 | Welcome to the future. | 欢迎来到未来 |
| 50 | Bring your barf bag of- oh, gross. | 把你的巴夫包... 哦,恶心。 |
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