Association between low fluoride exposure and children’s intelligence: a meta-analysis relevant to community water fluoridation

Feb 17, 2025 | IQ, Refutes of Claims of Adverse Effects, Research

Jayanth V. Kumar, Mark E. Moss, Honghu Liu, Susan Fisher-Owens   Abstract Objectives Previous meta-analyses have mainly focused on studies conducted in endemic fluorosis areas with relatively high fluoride concentrations. These are impoverished rural communities...

Prenatal exposure to fluoride and neuropsychological development in early childhood: 1-to 4 years

Oct 20, 2021 | IQ, Uncategorized

National Toxicology Program: An Evaluation of Neurotoxicity Following Fluoride Exposure from Gestational Through Adult Ages in Long-Evans Hooded Rats

Jun 4, 2018 | IQ, Research

Christopher A. McPherson, Guozhu Zhang, Richard Gilliam, Sukhdev S. Brar, Ralph Wilson, Amy Brix, Catherine Picut, G. Jean Harry  First Online: 05 February 2018 Abstract At elevated levels, fluoride (F−) exposure has been associated with adverse human health effects....

A Canadian Population-based Study of the Relationship between Fluoride Exposure and Indicators of Cognitive and Thyroid Functioning; Implications for Community Water Fluoridation

Apr 11, 2018 | Thyroid

Abstract: Concerns exist regarding potential harms of community water fluoridation. The study objective was to examine the association between fluoride exposure and indicators of two health outcomes for which concerns have been expressed, cognitive and thyroid...

Cognitive Impairment and Risk Factors in Elderly People Living in Fluorosis Areas in China

Feb 11, 2018 | IQ

Residents living in fluorosis areas generally experienced long-term exposure to excessive fluoride in drinking water. The adverse effects of high fluoride levels on the nervous system have been studied; however, the effect of fluoride exposure on cognitive functions...

Fluoride exposure and indicators of thyroid functioning in the Canadian population: implications for community water fluoridation

Oct 11, 2017 | Thyroid

Background There are concerns that altered thyroid functioning could be the result of ingesting too much fluoride. Community water fluoridation (CWF) is an important source of fluoride exposure. Our objectives were to examine the association between fluoride exposure...