Andrew Huberman· PhD
what it shows is that fluoride negatively impacts thyroid stimulating hormone and so-called T3 levels.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
what it shows is that fluoride negatively impacts thyroid stimulating hormone and so-called T3 levels.
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Well, there are studies that show that the concentration of fluoride in drinking water is of particular concern for the thyroid hormone system of the body.
A meta-analysis of 27 studies found a correlation between higher levels of fluoride in water (2.5mg/L: over 3x US standard) and thyroid disruption in children. Ref (15) A UK observational study reported higher hypotheroidism incidence in areas with fluorinated water. Ref. (16)