Peter Attia· MD
you have the thyroid gland this is the thing that sits in front of uh your larynx you can actually feel the thyroid gland and it's shaped as a shield which is how it gets its name and the thyroid gland is regulated directly via a hormone called TSH so TSH is stimulated from the anterior portion of the pituitary gland and it tells the thyroid gland to make T4 and T3 and the pituitary gland is regulated Upstream by the hypothalamus which stimulates it via a hormone called trh