The pituitary gland at the base of the brain produces thyroid stimulating hormone (TSH). TSH travels to the thyroid gland and stimulates it to produce T4 (levothyroxine) and a smaller amount of T3 (liothyronine). Eighty percent of what the thyroid gland produces is T4, most of which is changed into T3 in the periphery (at tissues). The thyroid hormone system affects every bodily function by regulating energy and heat production, growth, tissue repair, and development; stimulating protein synthesis; modulating carbohydrates, protein, and fat metabolism as well as digestion; modulating muscle and nerve action; and helping to regulate hormone excretion and oxygen utilization. New TSH guidelines (0.3 – 3.0 vs. 0.5 – 5.0) double the number of people previously thought to have abnormal thyroid function. An estimated 27 million people may require treatment. In addition, some people may suffer from Wilson’s Syndrome. This cluster of seemingly unrelated symptoms results from a maladaptively slow metabolism rate caused by an impairment in the conversion of T4 to T3, especially caused by significant physical, mental, or emotional stress. The chief characteristic is a body temperature pattern that runs below normal; routine thyroid blood tests are in the normal range.
Symptoms Commonly Associated with Thyroid Disorders
|Allergies (developing or worsening)|
|Nail Problems (dry, brittle)|
|Skin Changes (dry, itchy, patchy)|
|Low Body Temperature (feeling chilly at|
|normal room temp.)|
|Throat Problems (swallowing difficulty)|
|Difficulty Losing Weight|
|Puffy face, hands and feet|
|Excessive Mood Swings|
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