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  1. Fluoride in water prevents some cavities but concern about …

  2. New research adds to debate over fluoride in drinking water

  3. Research review contends fluoride in water is less effective than …

  4. What Does the Evidence Say About Fluoride Lowering IQ?

  5. Benefits of adding fluoride to water may be waning - NBC News

  6. Water Fluoridation May Be Less Beneficial Than in Past, Review …

  7. Water fluoridation less effective now than in past - Cochrane

  8. Investigating the effectiveness of water fluoridation

  9. Water fluoridation found to be less effective now than in past

  10. Water Fluoridation May Be Less Beneficial Than in Past, Review …