T4 (free and total): what is it for and how does it work?
The T4 test aims to evaluate thyroid function by measuring total T4 and free T4 hormone.Under normal conditions, the hormone TSH stimulates the thyroid to produce T3 and T4, which are hormones responsible for aiding metabolism, providing the energy needed for the proper functioning of T4 is almost completely combined with proteins so that it […]
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