The chances of having a low or high rate of thyroid function — hypothyroidism or hyperthyroidism, respectively — increase as you age, according to a 2019 review. The TSH hormone regulates the thyroid ...

The thyroid, a little butterfly-shaped gland found at the base of the neck, is essential for general health since it regulates metabolism, energy levels, and numerous biological processes. Despite its ...

Doctors diagnose Graves’ disease by asking about a person’s symptoms, taking a medical history, and then running thyroid function tests. These may include: A person does not always need all of these ...

This article was medically reviewed by Rose Lin, MD, an endocrinologist at Providence Saint John's Health Center. An overactive thyroid, aka hyperthyroidism, causes symptoms like fatigue and menstrual ...