Putting fluoride in drinking water has often been called one of the most successful public health measures in human history. But since the very beginning of fluoridation programs in the 1940s, it’s been plagued by misinformation and furious opposition.
Now with Robert F Kennedy Jr at the helm of the US Department of Health, the Trump Administration is leading the charge to get states to ban the use of fluoride in water - and he’s succeeded in Utah and Florida. So when did this anti-fluoride scepticism kick off? And can it be stopped?
This episode was originally broadcast in June 2025
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