Science Memes

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flouride (mander.xyz)

submitted 17 hours ago by [email protected] to c/[email protected]

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[–] [email protected] 91 points 16 hours ago (3 children)

Yeah, by this argument lead in the water isn't a concern.

[–] [email protected] 84 points 15 hours ago

You just made me mad by helping me realize that the Trump bros are going to break water by removing fluoride long before they fix water by removing lead.

[–] [email protected] 25 points 14 hours ago (1 children)

Yeah but lead bioaccumulates where as fluoride/ine doesn't

[+] [email protected] -17 points 14 hours ago* (last edited 14 hours ago) (1 children)

Are you sure fluoride doesn't? It does accumulate in the soil, building up in crops. Considering fluoride exposure from all sources, many people are above upper safe limits, even from tea drinking alone

I don't think fluoride should be added to water as it just pollutes the environment, where 99.99% of water isn't coming in contact with teeth

[–] [email protected] 27 points 13 hours ago (1 children)

It doesn't. This is high-school chemistry.

Fluoride only "accumulates" up to the peak concentration of the environment (no further) on places where it is removed from contact with that environment.

You can only accumulate fluoride in the soil if you keep adding it and there is almost no rain to wash it away.

[–] [email protected] -2 points 10 hours ago* (last edited 10 hours ago) (1 children)

Like how crops are irrigated with town water, and in many areas with lowering rainfall? Accumulates in fruit, vegetables, leaves too

[–] [email protected] 9 points 10 hours ago

Yes, irrigation with the minimum possible amount of water is known to destroy land for millennia at this point. But sodium will be a problem way before you notice any change in fluoride.

[–] [email protected] 6 points 13 hours ago

Yup, same with PFAS and forever chemicals. Maybe I'm ignorant because I'm not a doctor, but I don't know if this line of thinking holds water - pun not intended.