A comprehensive federal analysis published in JAMA Pediatrics found a significant inverse relationship between fluoride exposure levels and cognitive function in children, pointing to potential risks associated with higher fluoride levels.
Researchers from the National Institute of Environmental Health Sciences concluded that higher fluoride exposures were linked to lower I.Q. scores, demonstrating severity in areas with much higher fluoride levels in water.
Despite extensive research, none of the studies analyzed were conducted in the U.S., where fluoride levels are much lower, indicating a lack of conclusive evidence on cause-and-effect relationships.
The analysis highlighted not only the role of drinking water, but also noted that children are exposed to fluoride through toothpaste, dental treatments, and various foods and beverages.
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