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Escalating problem: Relax, planet Earth

Earth's last decade has seen the warmest temperatures recorded since measurements began, with 2024 being the first year to average 1.5°C warmer than the pre-industrial era. This trend is evident in the increasing frequency of heatwaves, droughts, and wildfires during summers. This concerning...

escalating predicament: Tone it down, planet Earth
escalating predicament: Tone it down, planet Earth

Escalating problem: Relax, planet Earth

In a contentious issue that has divided opinions, dental experts and policymakers are grappling with the potential implications of removing fluoride from US water supplies. The debate, marked by concerns over health risks and benefits, is gaining momentum, with some states already taking action.

On one side of the argument, proponents of fluoride removal cite health concerns, such as the potential risks associated with excessive fluoride intake, including dental fluorosis and neurodevelopmental issues. They argue that the removal of fluoride from water could help mitigate these risks, although most studies suggest that at recommended levels, these risks are minimal.

Recent legislative action in Florida and Utah, where laws have been passed to stop adding fluoride to public water systems, reflects this growing trend against fluoridation.

However, opponents of removal argue that such a move could lead to increased tooth decay, particularly among children and adolescents. A study published in the Journal of the American Medical Association estimated that this could result in 25.4 million more cavities over five years, with significant financial burdens.

Dental experts and organisations like the American Dental Association express grave concern about the potential impact on public health. The U.S. Centers for Disease Control and Prevention has regarded community water fluoridation as a significant public health achievement, noting its effectiveness in preventing tooth decay.

The issue is further complicated by concerns about alternative sources of fluoride, such as foods and dental products, and the potential for total fluoride intake to exceed safe levels. However, the primary concern remains the loss of a proven method to prevent tooth decay.

In the midst of this debate, US Health Secretary Robert F Kennedy Jr has asked the CDC to stop recommending water fluoridation, adding another layer of complexity to the issue.

As the debate continues, it is clear that the health and wellbeing of millions of Americans hang in the balance. The issue promises to remain a hot topic in the realm of public health policy for the foreseeable future.

In other news, subscriptions to the BBC Magazine website are available, offering a wealth of information on a variety of topics, from astronomy to psychology. Issue 421 will be on sale on Tuesday, 8 July 2025. For those who prefer digital platforms, the BBC Magazine is also available on Android, Kindle Fire and Kindle e-reader, and has apps for the iPad and iPhone.

Stay tuned for more insightful articles from the BBC Magazine.

  1. In the field of science and health-and-wellness, concerns about the impact of excessive fluoride intake on mental-health and neurodevelopmental issues are being raised.
  2. The space-and-astronomy section of the BBC Magazine, available on digital platforms, will provide a wealth of information on various topics in its upcoming issue 421, scheduled for sale on 8 July 2025.
  3. As the debate over the removal of fluoride from US water supplies continues, the future of mental-health and dental health in the country remains uncertain.
  4. Technology will likely play a significant role in addressing potential total fluoride intake concerns, as it could help track and manage fluoride levels in various sources.

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