Why We Changed Our Minds About Water Fluoridation

Like many of our professional colleagues, we long held a belief that the practice of water fluoridation was highly beneficial and relatively low-risk. Currently, we feel otherwise. We are now convinced that it is of small benefit, and carries an unacceptably large risk.

What changed our thinking so dramatically on this important issue? While reviewing medical studies for a new book, we were shocked to learn about the disturbing fluoride-thyroid connection.

We then consulted with a toxicology expert, who explained still another harmful fluoride effect. It progressively disrupts the sensitive G-proteins. These are the building blocks of our body’s hormone receptors. (For example, receptors are where thyroid hormone actually starts doing its job at the cell level.)

But at what dilution did fluoride have this disruptive effect? At high concentrations, it is well known to be acutely poisonous and caustic. Could it be that at the low concentrations in municipal water, teeth are being helped without thyroids being harmed?

No, the data showed otherwise. Contradicting the hoped-for scenario is research going back half a century. For instance, we came across a 1958 study by Galletti and Joyet, published in the prestigious Journal of Clinical Endocrinology and Metabolism. The paper was titled, “Effect of Fluorine on Thyroidal Iodine Metabolism and Hyperthyroidism.” These scientists showed that fluoride in the range of 2-5 mg. per day (what people now ingest in a fluoridated area) was enough to slow down thyroid function.

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1 Comment

  1. The truth is I was just recently informed about how flouride can be harmful instead of beneficial especially if included in the water supply. Thank you for this informational post.

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