Hypothyroidism results from deficient production of thyroid hormone or a defect in the thyroid hormone receptor activity. hypothyroidism caused during embryonic development of the gland is called:

hyperthyroidism—an abnormally elevated blood level of thyroid hormones—is often caused by a pituitary or thyroid tumor. In Graves' disease, the hyperthyroid state results from an autoimmune reaction in which antibodies overstimulate the follicle cells of the thyroid gland.

depends where

on my head

yes

on my legs

yes

on my

arms

yesh