Frontier Centre for Public Policy
Health Risks from Water Fluoridation are not just in RFK’s Head

From the Frontier Centre for Public Policy
By Lee Harding
“There is evidence that fluoride exposure has been associated with the diseases [and] disorders that RFK listed, but with caveats”
Water fluoridation has returned to the forefront of public policy debates thanks to environmental lawyer Robert F. Kennedy Jr. Kennedy is expected to have a role in the Department of Health and Human Services, giving his opinion more weight than ever.
In a post to X, Kennedy wrote, “On January 20, the Trump White House will advise all U.S. water systems to remove fluoride from public water. Fluoride is an industrial waste associated with arthritis, bone fractures, bone cancer, IQ loss, neurodevelopmental disorders, and thyroid disease.”
The post links to a High Wire video interview with lawyer Michael Connett, lead attorney in a successful case against the Environmental Protection Agency (EPA). Last September, Obama-appointed District Court Judge Edward Chen sided with Connett and mandated the EPA to more strictly regulate water fluoridation.
Chen’s ruling states, “In all, there is substantial and scientifically credible evidence establishing that fluoride poses a risk to human health; it is associated with a reduction in the IQ of children and is hazardous at dosages that are far too close to fluoride levels in the drinking water…”
Fluoride is a poisonous industrial byproduct, handled in its pure form by people in hazmat suits. Dealing with sodium fluoroacetate was an expense for the Aluminum Company of America before Edward Bernays helped turn it into a profitable venture. In the 1940s, Bernays, the father of modern public relations and nephew of psychoanalyst Sigmund Freud, used mass psychology and public health advocates to have fluoride put in drinking water. Fluoridation opponents were dismissed as kooks ever after.
The toxicology adage “The dose makes the poison” applies. Chemicals, including drugs, can benefit health in some respects but undermine it in others. Unfortunately, recent analysis suggests the “side effects” of fluoridation may outweigh its alleged benefits.
A recent analysis by Cochrane Reviews said water fluoridation may provide a slight dental benefit, but less so since the mid 70’s when manufacturers commonly added fluoride to toothpaste. Fluoride reverses or stops early tooth decay by remineralizing teeth, making them stronger. It also reduces bacteria’s ability to make acids that cause decay.
Fluoride capsules have little effect on teeth, which suggests its main positive effect is topical (meaning by direct contact). An obvious question follows: if fluoride of roughly one part per million passing over the teeth before swallowing, what is its effect during digestion or bodily storage? After all half of fluoride is passed through urine, while the remainder is stored in the body.
In 2020 The Institute of Technology and Business in the Czech Republic made a six-article issue dedicated to the mechanisms of fluoride toxicity. One explained in the abstract that “fluoride is an enzymatic poison, inducing oxidative stress, hormonal disruptions, and neurotoxicity.” The toxic effects were magnified when trace amounts of aluminum were present, and “might contribute to unexpected epidemics in the future.”
Sleeplessness, hypothyroidism, and autism to conditions linked to fluoride consumption, whether through natural sources or water fluoridation. The risks were found through statistical studies comparing health issues in water fluoridated and non-fluoridated areas, biochemical analysis, and human and animal studies.
“We concur with the conclusions of many authors over the world that fluoride neurotoxicity is a serious risk associated with elevated fluoride exposure… […] Fluoride toxicity is a slow, hidden process. Evolving evidence should inspire scientists and health authorities to re-evaluate claims about the safety of fluoride…”
In 2019, researchers from Canadian and U.S. universities tested over 500 Canadian women throughout their pregnancies for fluoride levels in their urine. Their study, published in the Journal of the American Medical Association (JAMA), found that for each milligram of fluoride per litre in the mother’s urine, IQ dropped 4.5 points in their male children tested at ages of three to four years.
Christine Till, a professor in the Department of Psychology at York University in Toronto, told CNN, “At a population level, that’s a big shift. That translates to millions of IQ levels lost.”
Ashley Malin, an assistant professor in the University of Florida’s Epidemiology Department, had similar findings in her Florida study, published in JAMA in 2024.
“There is evidence that fluoride exposure has been associated with the diseases [and] disorders that RFK listed, but with caveats,” Malin told the Virginia Mercury in a recent article.
“Aside from fluoride’s impacts on neurodevelopment, I think that there is more that we don’t know about health effects of low-level fluoride exposure than what we do know, particularly for adult health outcomes,” Malin added.
In August, the National Toxicology Program (NTP) in the United States found that fluoride levels higher than 1.5 mg/L (the highest acceptable level in Canada) are associated with lower IQs in children. The NTP said there is insufficient evidence to conclude that there are similar risks at the recommended level of 0.7 mg/L.
Montreal recently ended its water fluoridation and hopefully other cities will follow. Only a misguided nanny state would poison young minds and old bones for the sake of people who don’t brush their teeth.
Lee Harding is a Research Fellow for the Frontier Centre for Public Policy.
Frontier Centre for Public Policy
New Book Warns The Decline In Marriage Comes At A High Cost

From the Frontier Centre for Public Policy
Travis Smith reviews I… Do? by Andrea Mrozek and Peter Jon Mitchell, showing that marriage is a public good, not just private choice, arguing culture, not politics, must lead any revival of this vital institution.
Andrea Mrozek and Peter Jon Mitchell, in I… Do?, write that the fading value of marriage is a threat to social stability
I… Do? by Andrea Mrozek and Peter Jon Mitchell manages to say something both obvious and radical: marriage matters. And not just for sentimental reasons. Marriage is a public good, the authors attest.
The book is a modestly sized but extensively researched work that compiles decades of social science data to make one central point: stable marriages improve individual and societal well-being. Married people are generally healthier, wealthier and more resilient. Children from married-parent homes do better across almost every major indicator: academic success, mental health, future earnings and reduced contact with the justice system.
The authors refer to this consistent pattern as the “marriage advantage.” It’s not simply about income. Even in low-income households, children raised by married parents tend to outperform their peers from single-parent families. Mrozek and Mitchell make the case that marriage functions as a stabilizing institution, producing better outcomes not just for couples and kids but for communities and, by extension, the country.
While the book compiles an impressive array of empirical findings, it is clear the authors know that data alone can’t fix what’s broken. There’s a quiet but important concession in these pages: if statistics alone could persuade people to value marriage, we would already be seeing a turnaround.
Marriage in Canada is in sharp decline. Fewer people are getting married, the average age of first marriage continues to climb, and fertility rates are hitting historic lows. The cultural narrative has shifted. Marriage is seen less as a cornerstone of adult life and more as a personal lifestyle choice, often put off indefinitely while people wait to feel ready, build their careers or find emotional stability.
The real value of I… Do? lies in its recognition that the solutions are not primarily political. Policy changes might help stop making things worse, but politicians are not going to rescue marriage. In fact, asking them to may be counterproductive. Looking to politicians to save marriage would involve misunderstanding both marriage and politics. Mrozek and Mitchell suggest the best the state can do is remove disincentives, such as tax policies and benefit structures that inadvertently penalize marriage, and otherwise get out of the way.
The liberal tradition once understood that family should be considered prior to politics for good reason. Love is higher than justice, and the relationships based in it should be kept safely outside the grasp of bureaucrats, ideologues, and power-seekers. The more marriage has been politicized over recent decades, the more it has been reshaped in ways that promote dependency on the impersonal and depersonalizing benefactions of the state.
The book takes a brief detour into the politics of same-sex marriage. Mrozek laments that the topic has become politically untouchable. I would argue that revisiting that battle is neither advisable nor desirable. By now, most Canadians likely know same-sex couples whose marriages demonstrate the same qualities and advantages the authors otherwise praise.
Where I… Do? really shines is in its final section. After pages of statistics, the authors turn to something far more powerful: culture. They explore how civil society—including faith communities, neighbourhoods, voluntary associations and the arts can help revive a vision of marriage that is compelling, accessible and rooted in human experience. They point to storytelling, mentorship and personal witness as ways to rebuild a marriage culture from the ground up.
It’s here that the book moves from description to inspiration. Mrozek and Mitchell acknowledge the limits of top-down efforts and instead offer the beginnings of a grassroots roadmap. Their suggestions are tentative but important: showcase healthy marriages, celebrate commitment and encourage institutions to support rather than undermine families.
This is not a utopian manifesto. It’s a realistic, often sobering look at how far marriage has fallen off the public radar and what it might take to put it back. In a political climate where even mentioning marriage as a public good can raise eyebrows, I… Do? attempts to reframe the conversation.
To be clear, this is not a book for policy wonks or ideologues. It’s for parents, educators, community leaders and anyone concerned about social cohesion. It’s for Gen Xers wondering if their children will ever give them grandchildren. It’s for Gen Zers wondering if marriage is still worth it. And it’s for those in between, hoping to build something lasting in a culture that too often encourages the opposite.
If your experiences already tell you that strong, healthy marriages are among the greatest of human goods, I… Do? will affirm what you know. If you’re skeptical, it won’t convert you overnight, but it might spark a much-needed conversation.
Travis D. Smith is an associate professor of political science at Concordia University in Montreal. This book review was submitted by the Frontier Centre for Public Policy.
Carbon Tax
Canada’s Carbon Tax Is A Disaster For Our Economy And Oil Industry

From the Frontier Centre for Public Policy
By Lee Harding
Lee Harding exposes the truth behind Canada’s sky-high carbon tax—one that’s hurting our oil industry and driving businesses away. With foreign oil paying next to nothing, Harding argues this policy is putting Canada at a major economic disadvantage. It’s time to rethink this costly approach.
Our sky-high carbon tax places Canadian businesses at a huge disadvantage and is pushing investment overseas
No carbon tax will ever satisfy global-warming advocates, but by most measures, Canada’s carbon tax is already too high.
This unfortunate reality was brought to light by Resource Works, a B.C.-based non-profit research and advocacy organization. In March, one of their papers outlined the disproportionate and damaging effects of Canada’s carbon taxes.
The study found that the average carbon tax among the top 20 oil-exporting nations, excluding Canada, was $0.70 per tonne of carbon emissions in fiscal 2023. With Canada included, that average jumps to $6.77 per tonne.
At least Canada demands the same standards for foreign producers as it does for domestic ones, right? Wrong.
Most of Canada’s oil imports come from the U.S., Saudi Arabia, and Nigeria, none of which impose a carbon tax. Only 2.8 per cent of Canada’s oil imports come from the modestly carbon-taxing countries of the U.K. and Colombia.
Canada’s federal consumer carbon tax was $80 per tonne, set to reach $170 by 2030, until Prime Minister Mark Carney reduced it to zero on March 14. However, parallel carbon taxes on industry remain in place and continue to rise.
Resource Works estimates Canada’s effective carbon tax at $58.94 per tonne for fiscal 2023, while foreign oil entering Canada had an effective tax of just $0.30 per tonne.
“This results in a 196-fold disparity, effectively functioning as a domestic tariff against Canadian oil production,” the research memo notes. Forget Donald Trump—Ottawa undermines our country more effectively than anyone else.
Canada is responsible for 1.5 per cent of global CO2 emissions, but the study estimates that Canada paid one-third of all carbon taxes in 2023. Mexico, with nearly the same emissions, paid just $3 billion in carbon taxes for 2023-24, far less than Canada’s $44 billion.
Resource Works also calculated that Canada alone raised the global per-tonne carbon tax average from $1.63 to $2.44. To be Canadian is to be heavily taxed.
Historically, the Canadian dollar and oil and gas investment in Canada tracked the global price of oil, but not anymore. A disconnect began in 2016 when the Trudeau government cancelled the Northern Gateway pipeline and banned tanker traffic on B.C.’s north coast.
The carbon tax was introduced in 2019 at $15 per tonne, a rate that increased annually until this year. The study argues this “economic burden,” not shared by the rest of the world, has placed Canada at “a competitive disadvantage by accelerating capital flight and reinforcing economic headwinds.”
This “erosion of energy-sector investment” has broader economic consequences, including trade balance pressures and increased exchange rate volatility.
According to NASA, Canadian forest fires released 640 million metric tonnes of carbon in 2023, four times the amount from fossil fuel emissions. We should focus on fighting fires, not penalizing our fossil fuel industry.
Carney praised Canada’s carbon tax approach in his 2021 book Value(s), raising questions about how long his reprieve will last. He has suggested raising carbon taxes on industry, which would worsen Canada’s competitive disadvantage.
In contrast, Conservative leader Pierre Poilievre argued that extracting and exporting Canadian oil and gas could displace higher-carbon-emitting energy sources elsewhere, helping to reduce global emissions.
This approach makes more sense than imposing disproportionately high tax burdens on Canadians. Taxes won’t save the world.
Lee Harding is a research fellow for the Frontier Centre for Public Policy.
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