Why Does Alcohol Burn When You Drink It?

Why does alcohol cause that burning sensation on its way down?

Annotation:
Why Does Spicy Taste ‘Hot’ and Minty Taste ‘Cool’? https://youtu.be/gwUN8XK3ZO8

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Sources:
http://jgp.rupress.org/content/125/6/531.full
http://www.nature.com/neuro/journal/v5/n6/full/nn852.html
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2775500/

Images:
https://en.wikipedia.org/wiki/File:EverclearHiRes.jpg
https://commons.wikimedia.org/wiki/File:Ethanol-3D-balls.png
https://commons.wikimedia.org/wiki/File:Capsaicin-3D-vdW.png

Category: SciShow

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