Study links higher fluoride levels in water to lower IQ scores in children, sparking safety debate.

A recent study in JAMA Pediatrics links higher fluoride levels in drinking water to lower IQ scores in children. Analyzing 74 studies from 10 countries, researchers found that each 1 mg/L increase in fluoride exposure was associated with a drop in IQ scores. Although the impact per individual may seem small, the cumulative effect could be significant. Critics argue that the study includes data from areas with much higher fluoride levels than recommended in the US, raising questions about its applicability. The findings have sparked renewed debate about the safety of fluoride in water supplies.

3 months ago
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