Science Memes

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flouride (mander.xyz)

submitted 1 month ago by [email protected] to c/[email protected]

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[–] RQG 271 points 1 month ago* (last edited 1 month ago) (34 children)

Toxicologist here. I think that take is dishonest or dumb.

Taking a lethal dose is almost never the concern with any substance in our drinking water.

Hormones, heavy metals, persistent organic chemicals, ammonia are all in our drinking water. But for all of them we can't drink enough water to die from a high dose.

Some of them still have a large effect on our bodies.

It's about the longterm effects. Which we need longterm studies to learn about. That makes them harder to study.

Still doesn't mean flouride does anything bad longerm. But the argument is bad.

[–] [email protected] 115 points 1 month ago (10 children)

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

[–] 5oap10116 30 points 1 month ago (1 children)

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

[+] [email protected] -19 points 1 month ago* (last edited 1 month 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

[–] marcos 35 points 1 month 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.

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