Breaking: New Cochrane Review Finds Water Fluoridation Has Minimal Effect on Dental Health

Adding fluoride to drinking water provides very limited dental benefits, especially compared with 50 years ago, according to an updated Cochrane Review published today.

The review follows less than two weeks after a California federal judge ruled water fluoridation poses an “unreasonable risk” of reduced IQ in children and must be regulated by the Environmental Protection Agency (EPA).

It also comes as some U.S. cities and towns have moved to pause or stop fluoridating their water in response to the verdict, signaling that fluoridating water, a long-term and largely unquestioned practice in the U.S., is facing heightened scrutiny.

To determine if water fluoridation leads to reduced rates of tooth decay, researchers from the University of Manchester and other U.K. universities reviewed 157 studies comparing communities that fluoridated their water to those that don’t.

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