Science Weekly What’s going on with fluoride?
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Nov 28, 2024 Catherine Carstairs, a history professor at the University of Guelph, delves into the evolving attitudes towards fluoride and its impact on oral health and social inequality. She discusses the controversial legacy of fluoride use in public health, highlighting both its cavity-reducing benefits and the health concerns raised over the years. Along with insights from Oliver Jones, a chemistry professor, they explore public fears about fluoride in drinking water, including debates over IQ impacts and regulatory challenges in communities.
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The Colorado Springs Stain
- In the early 1900s, dentist Fred McKay observed dark stains on patients' teeth in Colorado Springs.
- These stained teeth, however, showed surprising resistance to decay.
Fluoridation's Origin
- The stain was linked to high fluoride levels in the water.
- This led to the idea of artificially adding fluoride to water for dental health.
Early Fluoridation Studies
- Early studies on water fluoridation showed promising reductions in tooth decay.
- This led to widespread advocacy for its implementation across the US.
