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A new study is being touted as showing no relationship between fluoridated water and IQ. But here's what you should know.

The study focuses on a population in Wisconsin that was born in 1940 -- which is five years before any communities in the U.S. began fluoridating their

New Fluoride IQ Study Is "Policy Advocacy Masquerading as Science"

Excellent analysis by @lifebiomedguru

"What is not contestable is what the paper’s own opening paragraph tells us about why it exists. The authors describe their study as a response to evidence “cited in recent

New Fluoride IQ Study Is "Policy Advocacy Masquerading as Science"Excellent analysis by @lifebiomedguru "What is not contestable is what the paper’s own opening paragraph tells us about why it exists. The authors describe their study as a response to evidence “cited in recent
Fluoride Action Network @FluorideAction

The dental lobby and the national media are touting a new study that claims fluoride does not reduce IQ.

Problem is the IQ tests in this study were given to high school students in 1956 when they were 16 years old, so they would have been born in 1940.

That is 5 years before

@lifebiomedguru "A paper dropped this morning in PNAS claiming that community water fluoridation has no effect on adolescent IQ or adult cognitive function.

The conclusion is not supported by the methodology. Here are the reasons why, and here’s what the actual data show..."

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About Fluoride

What is Water Fluoridation?

Unlike all other water treatment processes, fluoridation does not treat the water itself, but the person consuming it. It’s outdated, unnecessary, and harmful.

What is Water Fluoridation
Fluoridated Water is the Main Source of Fluoride Exposure

Sources of Fluoride

Fluoridated water is the largest source of exposure for most people, but it is not the only source of exposure to fluoride.

Health Effects of Fluoride

Fluoride is a highly toxic substance that can cause a range of adverse health effects. Certain members of the public are at particularly high risk of harm.

Health Effects of Fluoride
Stages of Fluorosis Composition

Evidence of Overexposure:Dental Fluorosis

Fluorosis is a defect of tooth enamel caused by too much fluoride intake during the first 8 years of life.

Thousands of Professionals Call for End to Fluoridation

Thousands of Professionals Call for End to Fluoridation

A growing chorus of medical and scientific experts are warning about fluoridation. Over 4,800 have signed FAN’s Statement Against Fluoridation.

Take Action

Activist Toolkit

The toolkit provides various resources to help educate people in your community about fluoride.

Advocating for Change

What will you do to protect your community's drinking water? Anyone can make a difference, all you need to do is act.

Success Stories

Here’s a list of over 500 communities that rejected or stopped the addition of fluoridation chemicals to their water.

Support Fluoride Action Network

Support Fluoride Action Network

FAN has proven capable of taking on the big battles -- and winning. Support from those who believe in this mission is crucial to our ability to continue this work. Your donation will go directly to funding our education, advocacy, and legal work.
FAN News Archive for Fluoride News Stories

News Archive

The FAN News Archive serves as a historical repository for all news stories on fluoride.

Research Study Tracker

The most up-to-date and comprehensive source for studies on fluoride's systemic, multifaceted effects on human and animal health.
Comprehensive Source for Fluoride's Effects on Health