Fluoride is getting a lot of bad press these days, and for good reason: it is a toxic molecule that wreaks extensive, often irreversible, havoc on the body. The thyroid is particularly affected by fluoride exposure because its store of iodine is depleted. Iodine deficiency depresses the thyroid’s metabolic and immune functions, resulting in hypothyroidism and lowered immunity.
Fluoride and iodine are both halogens. Fluoride, the negative ion of the element fluorine, easily displaces iodine in the body because it is much lighter and therefore more reactive. In fact, the activity of any one of the halogens (Iodine 126.70, Bromine 79.90, Chlorine 35.45, Fluorine 18.99 are the most common) is inversely proportional to its atomic weight. In other words, one halogen can displace another one of a higher atomic weight but cannot displace one of lower weight.
Lack of iodine shuts down production of thyroxine, the thyroid prohormone that controls metabolism, and, in one way or another, impacts every aspect of health. The resulting hypothyroidism causes weight gain, cold intolerance, dry and prematurely aged skin, depression, constipation, hair loss, memory loss, irritability, increased cholesterol levels, heart disease and loss of libido.
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