A new study found that fluoridated water may have impacts on intelligence. Here's what parents need to know.
Fluoridated water may adversely impact the intelligence of kids in the womb according to a recent study published in the Journal of American Medical Association Pediatrics. The findings are likely to renew the debate around the safety of the fluoridation of municipal water supplies. But no one is concluding that parents or kids should avoid tap water.“I wouldn’t change anything based on this data,” says John P.A.
The findings from the analysis revealed that exposure to fluoridated water in pregnancy was associated with a 1 to 4 point decrease in preschool IQ scores. However, at lower levels, fluoride exposure appeared to affect boys’ IQ scores only, with no effect on girls. Higher levels of exposure were associated with a 3 point decrease in both boys’ and girls’ IQ scores.
In their note, the editors of the JAMA admitted that the decision to publish the study was difficult. They also note the findings were subject to additional scrutiny but published in the interest of child safety rather than controversial findings. Ioannidis agrees, characterizing the study as an “interesting observation that was worthwhile publishing.” After all, he suggests, there are mountains of evidence that speak to the public health benefits of fluoridation programs, compared to the hints of fluoridation dangers.
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