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Why do they really put it in the drinking water and the toothpaste?

In toothpaste is somewhat acceptable but in Water, I also don't know.

hi @pankuvirat are you really don,t know toothpaste is acceptable in water. So ask You Mr. @ wales

Well, This is because remineralization effect of flouride in our tooth cavities and it also slows down the formation of acid which is primary cause of cavity . @wales :-)

I would like to introduce you to one place that says that fluoride is not that good...
https://www.biologicaldentist.com/623/is-fluoride-really-good-for-your-teeth/

Probably, they are right. Nowadays, there are fluoride free toothpaste.

Hi #hash-tag why Nowadays fluoride free toothpaste? Tell me

well, recently an article was published and I happen to read that article. "NaF is not a natural substance and it is a toxic drug and its potency can be increased in other favourable conditions."I would recommend you to read this article.
http://www.ftoxins.com/fluoride-free-toothpaste/

We have to question everything that the government does or we could be poisoned, or worse...