The thyroid is a tiny gland that plays a huge role in the function of many of the body’s most important organs: the heart, brain, liver, kidneys and skin. Subtle signs that the thyroid is not working properly include weight gain, feeling sad, and not getting enough sleep. Learn more about hypo- or hyper- thyroidism or schedule an appointment with Robert Ferraro, MD, CDE today: Artesia (575.736.8440) or Carlsbad (575.736.8490).