Endocrinologists share the surprising signs of thyroid disease, including hypothyroidism and hyperthyroidism, that you should know. Plus, when to see a doctor.

ORLANDO, Fla. -- According to the American Thyroid Association, about 20 million Americans have some form of thyroid disease, but up to 60 percent don't know it. Deborah Norville was one of them.

If your mysterious weight loss, sudden intolerance to heat, and noticeably irregular period has you scouring the internet for the reasons why, you’ve probably wondered if your symptoms are the result ...

After undergoing surgery to remove an overactive thyroid in 2014, games designer and publisher Xeo Lye had jokingly asked his doctor how long he could survive without thyroid hormone replacement pills ...

The thyroid, a butterfly-shaped gland at the base of the neck, regulates metabolism, energy levels, digestion, and reproductive health. Thyroid disorders are among the most common endocrine conditions ...

Goiter is an abnormal enlargement of the thyroid gland, the butterfly-shaped gland at the base of the neck. While iodine deficiency is a major global cause, both too little and too much iodine can ...