[Opinion] Opinions differ on fluoride in water, but local levels are safe

Opinions differ on fluoride in water, but local levels are safe

Fluoride in a city’s water supply has become a point of contention in many communities throughout the U.S., with evidence of improved dental health among residents being countered with claims that fluoride can have a negative impact on an individual’s physical and cognitive abilities. Several studies, including one published in the Proceedings of the National Academy of Sciences in April, have found no evidence linking fluoride consumption to IQ…