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Study Disproves Fluoride Link to Low Birth Weights

1/21/2026

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Summary

Story summary

A study published January 20, 2026 found no link between drinking-water fluoride and lower birth weights or premature births in the United States, after analyzing 11 million birth records from 1968–1988.
Critics, including Health Secretary Robert F. Kennedy Jr., have raised concerns about fluoride's potential neurotoxic effects.
Earlier studies suggested a connection between high fluoride and lower IQ, but they did not focus on U.S. data.

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Story summary

A study published January 20, 2026 found no link between drinking-water fluoride and lower birth weights or premature births in the United States, after analyzing 11 million birth records from 1968–1988.
Critics, including Health Secretary Robert F. Kennedy Jr., have raised concerns about fluoride's potential neurotoxic effects.
Earlier studies suggested a connection between high fluoride and lower IQ, but they did not focus on U.S. data.