BTW, I need still to do full thyroid panel but from regular bloods, my TSH is at 1.7. Not sure what that means, it's on the low end but. I'm not that educated on all things thyroid.
T3 (Triiodothyronine): It is an active thyroid hormone that plays a crucial role in regulating metabolism, energy production, and body temperature.
T4 (Thyroxine): It is another thyroid hormone, and the majority of thyroid hormones produced by the thyroid gland are T4. T4 is converted into the active T3 hormone in various tissues.
TSH (Thyroid-Stimulating Hormone): It is produced by the pituitary gland and controls the thyroid gland's hormone production. When T3 and T4 levels are low in the body, TSH levels rise to stimulate the thyroid to produce more hormones.
The levels of these hormones in the body are indicative of thyroid function:
High T3 and T4 levels: Can lead to hyperthyroidism, which results in an overactive thyroid gland, causing symptoms like weight loss, increased heart rate, and anxiety.
Low T3 and T4 levels: Can lead to hypothyroidism, an underactive thyroid gland, causing symptoms like fatigue, weight gain, and cold sensitivity.
High TSH levels: Usually indicate an underactive thyroid (hypothyroidism), as the pituitary gland releases more TSH to stimulate the thyroid.
Low TSH levels: Usually associated with hyperthyroidism, as the pituitary gland reduces TSH production to decrease thyroid activity.
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