Is fluoride in tap water safe? RFK Jr. raises new questions for the CDC
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Something that’s long been considered routine is now back under review.
As policies evolve and health guidance shifts, a decades-old practice involving our everyday drinking water is being reexamined.
While many have trusted the benefits, growing concerns are starting to shape a new national conversation.
Health Secretary Robert F. Kennedy Jr. has announced plans to urge the Centers for Disease Control and Prevention (CDC) to reconsider its recommendation that fluoride be added to community water systems.
His statement comes at a time when some states are also reevaluating their approach—and even taking action.
The current recommendation, in place since the early 1960s, calls for 0.7 milligrams of fluoride per liter in public water systems.

Advocates say this level helps strengthen tooth enamel and reduce cavities across populations.
But recent developments suggest the conversation is far from settled.
The US Environmental Protection Agency (EPA) is now reviewing new scientific data on fluoride's potential health effects. Secretary Kennedy, a former environmental attorney, has been vocal in labeling fluoride a “dangerous neurotoxin,” linking it to conditions such as arthritis, bone fractures, and thyroid issues.
While some studies suggest potential health risks at elevated levels, others maintain the benefits far outweigh the concerns. For now, the scientific community remains divided.
The legislation, signed by Governor Spencer Cox, removes the ability for local cities and communities to decide whether or not to fluoridate their water supplies.
Kennedy praised the decision, calling it a model for other states. “I’m very, very proud of this state for being the first state to ban it, and I hope many more will,” he said at a press conference.
As of May 7, all public water systems in Utah must cease fluoridation. Several other states are reportedly considering similar legislation.
Although Kennedy cannot enforce such changes directly, he holds influence over public health messaging.
He has said he will direct the CDC to withdraw its fluoridation recommendation and work alongside the EPA to reconsider current fluoride limits in water.
EPA Administrator Lee Zeldin, who stood beside Kennedy at the announcement, confirmed that the agency is conducting a formal evaluation.
“When this evaluation is completed, we will have an updated foundational scientific evaluation that will inform the agency’s future steps,” Zeldin stated.
Some experts argue that ending water fluoridation could widen dental health disparities, particularly among children in low-income households.
Dentist Mark Fullner from Utah County voiced concern that families without access to supplements or regular dental care may be at greater risk of cavities.
Lorna Koci, Chairperson of the Utah Oral Health Coalition, criticized the move as based on misinformation and warned of unintended consequences for children’s health.
Still, Kennedy and supporters see the review as a necessary step toward transparency and updated guidance based on current research.
At The GrayVine, we understand how changes in health policy can raise questions and spark discussion.
Whether you've supported water fluoridation for decades or are only now learning about it, this is an opportunity to stay informed, ask questions, and be part of an important dialogue.
Also read:
Has your community made changes to its water policy? Do you have concerns or thoughts about water safety in your area? Join the conversation below and share your perspective with the GrayVine community.
As policies evolve and health guidance shifts, a decades-old practice involving our everyday drinking water is being reexamined.
While many have trusted the benefits, growing concerns are starting to shape a new national conversation.
Health Secretary Robert F. Kennedy Jr. has announced plans to urge the Centers for Disease Control and Prevention (CDC) to reconsider its recommendation that fluoride be added to community water systems.
His statement comes at a time when some states are also reevaluating their approach—and even taking action.
The Fluoride Debate Resurfaces
For years, the CDC has endorsed water fluoridation as a safe and effective way to prevent tooth decay.The current recommendation, in place since the early 1960s, calls for 0.7 milligrams of fluoride per liter in public water systems.

CDC has endorsed water fluoridation as a safe and effective way to prevent tooth decay. Image source: ABC7 / YouTube
Advocates say this level helps strengthen tooth enamel and reduce cavities across populations.
But recent developments suggest the conversation is far from settled.
The US Environmental Protection Agency (EPA) is now reviewing new scientific data on fluoride's potential health effects. Secretary Kennedy, a former environmental attorney, has been vocal in labeling fluoride a “dangerous neurotoxin,” linking it to conditions such as arthritis, bone fractures, and thyroid issues.
While some studies suggest potential health risks at elevated levels, others maintain the benefits far outweigh the concerns. For now, the scientific community remains divided.
Utah Leads a New Path
One of the most significant moves in this debate has come from Utah, which recently became the first state to prohibit fluoride in public drinking water.The legislation, signed by Governor Spencer Cox, removes the ability for local cities and communities to decide whether or not to fluoridate their water supplies.
Kennedy praised the decision, calling it a model for other states. “I’m very, very proud of this state for being the first state to ban it, and I hope many more will,” he said at a press conference.
As of May 7, all public water systems in Utah must cease fluoridation. Several other states are reportedly considering similar legislation.
Federal Oversight and What Comes Next
Although Kennedy cannot enforce such changes directly, he holds influence over public health messaging.
He has said he will direct the CDC to withdraw its fluoridation recommendation and work alongside the EPA to reconsider current fluoride limits in water.
EPA Administrator Lee Zeldin, who stood beside Kennedy at the announcement, confirmed that the agency is conducting a formal evaluation.
“When this evaluation is completed, we will have an updated foundational scientific evaluation that will inform the agency’s future steps,” Zeldin stated.
Balancing Safety, Science, and Access
The issue has sparked differing perspectives within public health circles.Some experts argue that ending water fluoridation could widen dental health disparities, particularly among children in low-income households.
Dentist Mark Fullner from Utah County voiced concern that families without access to supplements or regular dental care may be at greater risk of cavities.
Lorna Koci, Chairperson of the Utah Oral Health Coalition, criticized the move as based on misinformation and warned of unintended consequences for children’s health.
Still, Kennedy and supporters see the review as a necessary step toward transparency and updated guidance based on current research.
A Shift in Public Health Thinking?
Approximately two-thirds of the US population receives fluoridated drinking water. As both public health officials and local governments revisit these standards, the conversation continues to evolve.At The GrayVine, we understand how changes in health policy can raise questions and spark discussion.
Whether you've supported water fluoridation for decades or are only now learning about it, this is an opportunity to stay informed, ask questions, and be part of an important dialogue.
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Key Takeaways
- Health Secretary Robert F. Kennedy Jr. plans to ask the CDC to stop recommending the fluoridation of community water systems in the US.
- Kennedy is assembling a task force to review the health effects of fluoride, as the EPA examines new scientific information on potential risks.
- Utah has become the first state to ban fluoride in public drinking water, with Governor Spencer Cox signing the legislation.
- Kennedy, alongside EPA Administrator Lee Zeldin, is advocating for a review of fluoride exposure risks, while critics argue the ban may lead to increased dental health issues in children.