The thyroid is a butterfly-shaped gland that sits in the front of the neck. It produces hormones that are essential for heart rate, digestion, mood, and other functions crucial to human health.
The thyroid gland produces hormones that regulate metabolism, body temperature, and growth. Thyroid problems can cause weight changes, mood swings, and neck swelling. The thyroid is a small, butterfly ...
Thyroid level tests, including thyroid-stimulating hormone (TSH) and free T4, help diagnose underactive or overactive thyroid. Doctors may also check free T3, calcitonin, thyroglobulin, or thyroid ...