Did you read the rest of the Wikipedia article? How is better to add fluoride in the amounts the US does? It says in the Wikipedia article:
Recent studies suggest that water fluoridation, particularly in industrialized countries, may be unnecessary because topical fluorides (such as in toothpaste) are widely used and cavity rates have become low. For this reason, some scientists consider fluoridation to be unethical due to the lack of informed consent. However, a recent study funded by NHS found no significant difference between individuals who receive fluoridated water and those who don't in terms of missing teeth and reducing social inequities.
Eh technology will change again, before we see any major changes.
I remember reading some fifteen years ago that due to texting on an oldschool mobile phone, our thumbs might evolve in a new way because we all of a sudden used thumbs in a new way. Some scientists predicted we'd started using thumbs for tasks we'd otherwise use our index fingers for.
No technical background: historian, former university teacher and researcher, now researching at a museum. Did teach digital humanities though and am uhm... tech friendly?
Did you read the rest of the Wikipedia article? How is better to add fluoride in the amounts the US does? It says in the Wikipedia article:
Also, new research highlights that high levels of fluoride is problematic for pregnant women (it affect cognitive abilities of the unborn child).