Fluoride Exposure During Pregnancy Linked to Childhood Behavioral Issues

There has been a renewed look of what we have been led to believe about science and politics. The 2020 pandemic, coupled with the questionable 2020 presidential election has been an eye-opener for Americans.

A new study finds that higher fluoride levels in pregnant women are associated with increased odds of their children experiencing neurobehavioral problems at age 3. New studies reveal dishonesty in federal oversight over the science of medicine, climate, energy and health.

This study, led by a University of Florida College of Public Health and Health Professions researcher, was based on an analysis involving 229 mother-child pairs living in a U.S. community with typical fluoride exposure levels for pregnant women in fluoridated regions in North America.

Appearing in the  May 20, 2024 journal JAMA Network Open, the study focuses on fluoride, a mineral, has been added to community water supplies since the 1940s as a way to reduce dental cavities in children and adults.

Nearly three-quarters of the U.S. population receives fluoridated tap water. The impacts of fluoride on human health, both positive and negative, have been the subject of much recent debate and ongoing scientific scrutiny.

The study’s lead investigator Ashley Malin, Ph.D., an assistant professor in the department of epidemiology in the UF College of Public Health and Health Professions and UF College of Medicine, said that taken with other recent studies conducted in Canada and Mexico on the effects of fluoride on young children’s IQ, the findings suggest fluoride may negatively affect fetal brain development.

“There is no known benefit of fluoride consumption to the developing fetus,” Malin said, “but we do know that there is possibly a risk to their developing brain.

“We found that each 0.68 milligram per liter increase in fluoride levels in the pregnant woman’s urine was associated with nearly double the odds of children scoring in the clinical or borderline clinical range for neurobehavioral problems at age 3, based on their mother’s reporting.”

Researchers collected urine samples from participants during their third trimester of pregnancy. Urinary fluoride is the most widely used measure of individual fluoride exposure in epidemiological studies, including those assessing effects on fetal brain development.

Because fluoride, when combined with disinfecting agents, may cause lead to leach from lead-bearing water pipes, the scientists conducted various analyses to be sure any neurobehavioral effects could not be attributed to lead.

When their children reached age 3, study mothers completed the Preschool Child Behavior Checklist, which assesses children’s behavior and emotions. The investigators found that women with higher fluoride exposure during pregnancy tended to rate their children higher for overall neurobehavioral problems.

The study team hopes their findings spur policymakers to create specific recommendations for fluoride consumption during pregnacy.

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