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Doctor insights on: Purpose Of T2 Thyroid Hormone In Human Body

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Dr. Zahid Niazi
1 doctor shared a insight

Hormone (Definition)

A hormone (from greek ὁρμή, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a little amount of hormone is required to alter cell metabolism. In essence, it is a chemical messenger that transports a signal from ...Read more


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Doesn't a thyroidectomy reduce thyroid hormone in the body?

Doesn't a thyroidectomy reduce thyroid hormone in the body?

Yes: Depending on how much thyroid tissue is removed, patients may need thyroid hormone replacement after surgery. Sometimes only half of the gland is removed, for example if there is concern a nodule is a cancer. These patients may not need thyroid hormone replacement. Also with goiter sometimes some of thyroid gland is left behind on purpose. More recently the entire gland is frequently removed. ...Read more

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Can you tell me how the body maintain thyroid hormone levels?

Can you tell me how the body maintain thyroid hormone levels?

H-P-T axis: Hi. It's an interplay in the hypothalamic-pituitary-thyroid (H-P-T) axis. The hypothalamus secretes thyrotropin-releasing factor (TRF), which stimulates the pituitary to release thyroid-stimulating hormone (TSH), which stimulates the thyroid gland to take up iodine, organify, make, and release thyroid hormones (mostly T4, but a little T3 (liothyronine) too). The thyroid hormones feed back to suppress TRF & TSH. ...Read more

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In hyperthyroidism, if part of the thyroid is removed, does this decrease the thyroid hormone in the body?

In hyperthyroidism, if part of the thyroid is removed, does this  decrease the thyroid hormone in the body?

Depends on the cause: Depends on cause. Surgery for hyperthyroidism is either graves or hot nodule. Removing hot nodule will normalize thyroid levels. Surgery for graves is a total thyroidectomy and will require thyroid hormone replacement. ...Read more

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I would like to know would the thyroid hormone levels be high or low after delivery in a woman?

I would like to know would the thyroid hormone levels be high or low after delivery in a woman?

Either way: There is a very common condition called "post partum thyroiditis". It can cause fluctuations in your thyroid function leading to both high and low hormone levels. Sometimes it requires medication, but sometimes it levels out on its own. You may need to consult with an endocrinologist. ...Read more

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What is thyroid hormone replacement?

Treatment.: Patients with low thyroid hormone in blood (hypothyroidism) require treatment with thyroid hormone. This is sometimes called thyroid hormone replacement. ...Read more

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Can thyroid hormone medicine make your hair weak?

Can thyroid hormone medicine make your hair weak?

Maybe ;): The thyroid hormone medicine should not affect your hair directly. However, if your dosage is low, it can indeed affect your hair, as well as cause many other symptoms. If you are having such a problem, some lab tests with your primary doctor should help identify the problem. If you are taking thyroid hormone, you should have your levels checked at least yearly. ...Read more

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Can macrobiotics replace or wean me from thyroid hormone pills?

Can macrobiotics replace or wean me from thyroid hormone pills?

No: Macrobiotics do not replace thyroid replacement. Talk to your doctor. ...Read more

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What are the therapeutic effects of thyroid hormone replacement?

What are the therapeutic effects of thyroid hormone replacement?

Many: Thyroid hormone replacement is needed to treat hypothyroidism. Patient with hypothyroidism can have fatigue, dry skin/nails, constipation, lack of focus, weight gain...Appropriate replacement of thyroid hormone will raise your level back to a normal level and can alleviate some of the above symptoms. ...Read more

Dr. Tanya Russo
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more