this post was submitted on 17 Nov 2024
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No Stupid Questions

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There is no such thing as a Stupid Question!

Don't be embarrassed of your curiosity; everyone has questions that they may feel uncomfortable asking certain people, so this place gives you a nice area not to be judged about asking it. Everyone here is willing to help.


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[–] [email protected] 8 points 21 hours ago* (last edited 21 hours ago) (2 children)

Rhubarb contains oxalic acid, which is used in some tooth whitening products.

This is not medical advice to eat tons of it, though. It genuinely attacks your enamel, and swallowing lots of oxalic acid isn't recommended either.

https://en.wikipedia.org/wiki/Rhubarb#Oxalic_acid

[–] [email protected] 2 points 10 hours ago* (last edited 10 hours ago)

You might as well brush your teeth with this stuff:

(Don’t do this!)

[–] [email protected] 4 points 14 hours ago

White teeth and a kidney stone.