Conversation
British people get so mad at me when I mention they’ll get fluoride poisoning if they drink fifteen cups of tea a day
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@hidden But our tap water isn't fluoridated!
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@hidden whoa whoa whoa. maybe they WANT fluoride poisoning. they need to think of their teeth ya know

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@druid The tea plant itself is a fluoride hyper accumulator. A cup of tea has a lot more fluoride than a cup of American tapwater
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@hidden Oh huh, I didn't know this. Thank you for filling the gap in fedi education left by cvcvcv
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@arcana Tea is very high in fluoride!
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@druid No problem! I learned because I found out that the number 1 source of "What the hell does too much fluoride do?" in the world is rural villages with tea based economies
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@tamamizu @druid The tea plant itself. So white tea, green tea, black tea, yellow tea, oolong tea, dark tea. Herbal tea should be fine
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@hidden @druid I don't know about you but I don't consume my banknotes
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@hidden I read about Americans who have fluorosis in their bones from a lifetime of overconsumption, meaning that their bones are covered in jagged and sharp sections that hurt the flesh above simply by existing
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@hidden what’s the solution here?
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@hidden @druid I drink so much tea bros it's over.
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@druid Interesting. Probably rare but if they drink fluoridated water and oops swallow toothpaste and eat too much shrimp I can see it happening. Especially if they drink a lot as a child, that's when the damage is done usually. Skeletal fluorosis is extremely common in India, which has about 3x the water fluoride levels America does (naturally occurring, India doesn't add fluoride), and China has very high rates too since they produce a lot of brick tea and al dross which gets fluoride into their water sources, not to mention running through China and India is a "fluoride belt" which is a natural formation where all the rocks and Earth has particularly high levels of fluoride.
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@arcana Avoid Chinese tea, buy Japanese if possible. Or test it yourself. Some brands are much lower in fluoride.
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@hidden I drink Yorkshire Tea, grown in India, Ceylon, and Kenyan
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@arcana Those are all in a fluoride belt but should be lower than China probably
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@hidden AAAAAAAA

Can’t we grow tea in greenhouses in Europe? We should embargo those places until they fix their toxic soil
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@hidden @druid maybe i don't know how tea works, i thought it was different plants
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@tamamizu @druid Tea is a specific plant that is processed in different ways, then various herbs or aromatics are added. Herbal tea is just the herbs/aromatics.
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@arcana Probably possible to do that yeah. Health concerns aren't really a thing unless a person is drinking like 10+ cups of black tea a day, but if you do drink that much issues could start to pop up after some decades. White tea and green tea should be safer since they're harvested earlier
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@hidden @druid woah. the depth of my ignorance knows no bounds
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@hidden yeah I only drink black with milk and sugar, don’t like herbal tea really.
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@wowaname @druid Yeah only tea made with the tea plant itself. The older it is the more fluoride so white has the least and black the most
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@hidden @druid i'm down with having tea in tapwater in lieu of plain fluoride. would make it nicer to drink
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@hidden @druid Interesting. It's the same volcanic activity around here that makes the soils so fertile, who would've known it's also what causes tea to be toxic. I did know about the fluoride content in tea, however. It was listed as one of of the reasons some people use it as mouthwash. I have, however, chosen it as my poison to let it kill me.
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@snacks @hidden @druid even japan has it, apparently matcha is bad for it, i assume they get it from wind born pollution, it all goes to their leafs so it gets concentrated
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@tamamizu @hidden @druid black tea is matured leafs, green tea is 2 weeks unmatured, white/yellow/silver is matured for the last two weeks under shade, red is a different plant not from asia, oolong is a particular standard or breed idr which
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@gav @hidden @druid @tamamizu Oolong is semi-oxidized, so kind of like "almost black tea", and is often processed in other ways (rolling, putting in a vacuum) to bring out different flavors.

I think red tea is what they call black tea in china, but what we call red tea is herbal tea from the rooibos plant, which grows in south africa.

There's also puerh, which is like fermented tea.

I saw some study saying that black tea has the highest levels of fluoride, but you'd have to drink a lot of it to exceed the healthy limit.
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@genmaicha @hidden @druid @tamamizu i went through google results its contradictory, one had numbers green tea just had a really wide range but its bottom was identical to black, i think tea quality totally overrides any natural difference
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@gav @hidden @druid @tamamizu it's probably less a matter of quality and more of terroir, because with some teas a "mineralic" flavor is actually considered high quality, much like with wine.
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