Is there actually any evidence that fluoride in water is harmful? It's very easy to harp on about toxins in our water, in our food etc but is there any real scientific data to back it up? Wikipedia says that evidence for the adverse effects of water fluoridation is scarce and of low-quality. That there's a lot of scientific data to suggest that water fluoridation does benefit our collective dental health. But, you know, that's just a quick glance of wikipedia.... I haven't looked deeper in to this at all...
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