A new study published by JAMA Pediatrics on August 19, 2019, “Association Between Maternal Fluoride Exposure During Pregnancy and IQ Scores in Offspring in Canada”, found maternal exposure to higher levels of fluoride during pregnancy was associated with lower IQ scores in children aged 3 to 4 years. The study authors concluded that the findings suggest a “possible need to reduce fluoride intake during pregnancy.” We welcome this addition to the research on the possible effects of fluoride.
At the recommended levels, fluoridation continues to play a valuable role in safely and inexpensively preventing dental disease. Since scientific evidence is derived from an entire body of research, of which this study represents one contribution, we look forward to future research studies to see if they demonstrate the same results or provide more conclusive evidence.
Dental disease is widespread, causing millions of lost hours of school each year. This evidence is clear: children who experience tooth decay are more likely to have pain that makes it hard for them to eat, sleep and learn in school. More than 70 years of scientific research has consistently shown that an optimal level of fluoride in community water is safe and effective in preventing tooth decay by at least 25% in both children and adults. Simply by drinking water, Americans can benefit from fluoride’s cavity protection wherever they live, work and play. The American Academy of Pediatrics continues to recommend fluoride.
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