Long-Term Study Finds No Link Between Fluoridated Water and Cognitive Decline

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A comprehensive study of over 10,000 people in Wisconsin found no link between typical US water fluoridation levels and cognitive decline, addressing concerns about fluoride's impact on brain development. The research tracked cognitive performance from adolescence to old age and supports the safety of controlled fluoridation practices.

• 01A long-term study of 10,000+ Wisconsin residents found no cognitive decline linked to fluoridated water.
• 02Fluoride strengthens tooth enamel and reduces cavities but excessive amounts cause dental fluorosis.
• 03US water fluoridation typically uses 0.7 mg/L fluoride, below WHO's 1.5 mg/L safety threshold.
• 04The study tracked IQ and memory from adolescence to age 80, showing no negative effects.
• 05Researchers estimated fluoride exposure by residence, lacking direct individual intake data.
• 06In Israel, fluoridation was canceled in 2014 amid concerns, but health officials support its return.

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סיקור מלא · 2 מקורות

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N12Center · עבריתיולי 7, 2026

Long-Term Study Finds No Link Between Fluoridated Water and Cognitive Decline

MakoCenter · עבריתיולי 7, 2026

Long-Term Study Finds No Link Between Water Fluoridation and Cognitive Decline

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