Is Snot a Sign That Your Brain is Melting? Science Fiction



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Hi, welcome to Science Fiction. I'm Dr Knowles.

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And I'm Prof Mike McCork, from County Cork!

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Today's question, please, BUD E?

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Oh, bear with me there, love.

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Ah, today's question comes from Dennis in Ennis...

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Very common question.

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Snot occurs when your nose creates a gooey substance known as mucus.

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This gooey stuff, it's like a face lava, if you like.

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Imagine there's a volcano inside your nose

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and then it just erupts - bang!

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-Now, this mucus...

-Or snot.

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-This mucus...

-Or booger.

-Professor!

-Ah!

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Now, this mucus is mostly made up of water

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but also contains salt, proteins and carbohydrates.

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Its main job is to protect you from invaders.

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These include germs, dust, pollen...

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Flies, burglars, Vikings, other people's fingers, tennis balls...

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Skip to the next bit, Professor.

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Ahem! Now we all know that snots can be delicious, don't we?

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But they are full of all sorts of unpleasant stuff

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-so you should only eat them in moderation.

-Urgh!

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You should never eat them! It's totally gross!

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O-M-G.

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Anyway, Dennis, producing snot is a normal and vital bodily function -

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not a sign that your brain is melting.

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Sure, that's just a load of old science fiction!

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Anyone got a hanky? I've made a right mess.

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