More than 12% of Americans will develop a thyroid condition at some point, with women at greater risk than men.

Common signs and symptoms of hypothyroidism include: Primary hypothyroidism is about a thousand times more common than ...

Does your thyroid function affect your mood? Can it cause bipolar disorder and other conditions? Here’s what the experts say.

Although the mechanism of hypothyroidism after growth hormone replacement therapy remains unclear, this therapy has been reported to increase peripheral deiodination of T 4 to T 3 and secretion of ...

Hypothyroidism is commonly treated with levothyroxine, with pregnancy increasing levothyroxine requirements in most women treated for hypothyroidism. Hyperthyroidism is often treated with ...

In hypothyroidism (an underactive thyroid), common ... especially if not linked to an infection. Warning signs include lumps that seem to grow, are firm or feel hard. These should be evaluated ...