TSH results may seem counterintuitive. A high TSH level suggests an underactive thyroid gland, while a low TSH levels indicate an overactive thyroid. TSH influences the production of thyroid ...

If thyroid hormone levels get too high or low, your brain adjusts TSH levels accordingly to restore healthy levels and prevent health problems. When blood levels of thyroid hormones fall ...

Your doctor will order a TSH test if you exhibit thyroid disorder symptoms like hair loss or fatigue. High TSH levels could be a sign of hypothyroidism while low TSH levels may signal hyperthyroidism.

There are several reasons why someone might develop hypothyroidism. One common cause is an autoimmune condition called ...