Why fluoride fears are mostly overblown

With fluoride in the political spotlight, an expert digs into the history and latest science.

In 1999, fluoridated drinking water was named one of the 10 great public health achievements of the 20th century by the Centers for Disease Control and Prevention—alongside the ability to control infectious diseases and the discovery of tobacco as a health hazard.

So why is this public health hero suddenly under growing scrutiny by politicians, citizens, and scientists?

New research—and a new administration in Washington, DC—have led many to reexamine the role of fluoride in our water systems. Despite some calls to remove fluoride from drinking water, most dentists continue to support its use, given the well-established benefits to our teeth.

“Fluoride is a naturally occurring mineral that plays a critical role in promoting dental health and preventing tooth decay,” explains Richard Valachovic, clinical professor and executive director of the Center for Oral Health Policy and Management at NYU College of Dentistry.

“It strengthens tooth enamel, helps prevent cavities, and has been a cornerstone of dental public health for decades.”

Here, Valachovic explains the backstory and newest science on fluoride, including why the dose matters:

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