Is there a link between high fluoride exposure and children’s IQs?

A new study commissioned by the National Institute of Environmental Health Sciences looked at the effect that high fluoride consumption can have on children’s IQ scores. Recently published in JAMA Pediatrics, the study found that children who had the highest levels of fluoride exposure were also more likely to have lower IQs than those who […]

Water fluoridation returns to the news, with Bremerton’s history of debate a backdrop

In April 1997, the Bremerton City Council approved adding fluoride to the city’s water system after a group of residents identified children’s dental health as a major issue there. Port Orchard, Poulsbo and Bainbridge Island and many other American water providers started fluoridating their water over the previous half-century. Extensive evidence showed it reduced cavities […]

Fluoride: Protecting smiles or fueling debate?

Water fluoridation is often touted as one of the great public health successes of the 20th century, celebrated for reducing dental decay and saving billions in dental costs.1 It’s widely accepted that adding fluoride to water prevents tooth decay, with studies showing around a 25% reduction in cavities among those who drink fluoridated water—a lifeline […]

Why put fluoride in the water? Scientists weigh in

Fluoridating the public water supply has been common practice for nearly 80 years in the U.S. It’s an acclaimed public health intervention that helps prevent cavities. For just as long, some have raised concerns about the practice that can veer from evidence-based to unsubstantiated conspiracy. An analysis by government researchers, published Monday in JAMA Pediatrics, […]

Study Links High Fluoride Exposure to Lower I.Q. in Children

Water fluoridation is widely seen as one of the great public health achievements of the 20th century, credited with substantially reducing tooth decay. But there has been growing controversy among scientists about whether fluoride may be linked to lower I.Q. scores in children. A comprehensive federal analysis of scores of previous studies, published this week […]

City of Aberdeen discontinues fluoridation of water supply

The city of Aberdeen issued a “community alert” Monday at 4 p.m. on their official website stating: “Added Fluoride removed from City Water. Effective Jan.6, 2025 — Per Ordinance 6721, Passed by the City Council on Dec. 11, 2024, fluoride is no longer being added to the City water system.” This cessation of fluoridation will […]

Can fluoride affect IQ? Study points to risks but raises questions

In a recent review article in JAMA Pediatrics, researchers systematically analyzed epidemiological studies that investigated the relationship between exposure to fluoride in the prenatal or postnatal period and children’s intelligence quotient (IQ) scores. Existing research appears to indicate that fluoride exposure in urine and drinking water is inversely associated with children’s IQ scores and suggests […]

Is Robert F. Kennedy Jr. Right About Fluoride? A Dentist Explains

The debate over fluoride in public water supplies, reignited by figures like Robert F. Kennedy Jr., Donald Trump’s nominee for Health and Human Services secretary, has once again brought this decades-old public health initiative into the spotlight. Fluoridation, celebrated as one of the 20th century’s greatest public health achievements, drastically reduced cavities nationwide. But as […]