Not just Americans, Canadians too. Though they claim....

Skeletal fluorosis is extremely rare in Canada because we adjust our water to contain very low levels of fluoride and limit fluoride in our products.

In nova scotia, they still have lead pipes.

https://globalnews.ca/news/6114854/canada-tapwater-high-lead-levels-investigation/

https://www.halifaxwater.ca/get-the-lead-out

They have yet to start by the way.

Or maybe its the fish laced with mercury and lead from china.

https://www.sciencedirect.com/science/article/pii/S2772985022000059

The average nova scotian is brain dead. They would rather hire a traveling vaccinated nurse at 80$ an hour during a healthcare crisis, rather than hire professionals with natural immunity. Its laughable.

https://www.saltwire.com/atlantic-canada/news/vaccine-mandate-nova-scotia-still-black-balling-unvaccinated-health-workers-100826539/

I cant vouch for any other countries. But I doubt its much different anywhere else.