Long-Term U.S. Study Finds Fluoride Safe for Children’s Development

Concerns over fluoride in tap water have resurfaced in recent years, with some states rolling back fluoridation and national figures questioning its safety. But a massive, decades-long U.S. study is pushing back on those claims. Researchers tracked thousands of Americans and found no evidence that recommended levels of fluoride harm children’s cognitive development—offering the strongest domestic data yet that this long-standing public health practice remains both safe and beneficial.

Humberto Basilio

Scientific American

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