The new research is the first to measure community water fluoridation exposure during childhood and any potential impact on cognition up to age 80.
The paper is here
The new research is the first to measure community water fluoridation exposure during childhood and any potential impact on cognition up to age 80.
The paper is here
You’re looking at studies of the impact at far higher fluoride concentrations than are used in the US. We’ve known that those high concentrations are problematic for a very long time…which is why they’re not used. They remain a problem in some parts of the world where fluoride is naturally present.