Answers to Common Nutrition Questions

Premier Health providers answer frequently asked questions about nutrition.

What is the function of the thyroid, and what role does it play in a person’s health?

Dr. Bethel discusses the function of the thyroid. Click play to watch the video or read the transcript.


The thyroid is an essential hormonal gland that plays a major role in many of the body’s functions, according to the National Institutes of Health (NIH).

The thyroid’s function is to regulate the body’s metabolism, which affects how fast or slow things occur in the body, such as hair growth, heartbeat, and food excretion, according to Premier HealthNet (PHN) physicians.

The thyroid also controls how fast or slow you burn calories, which in turn affects your weight, according to the Office of Women’s Health[Link to in a new window with off site icon and 3rd party content disclaimer] (OWH), part of the U.S. Department of Health and Human Services (HHS).

If a person’s thyroid gland is not in control, it can work in extremes, so it is important to try to keep its function in a midrange, according to PHN physicians.

For more information about how the thyroid works and how it affects a person’s health

Learn more:

Source: Aleda Johnson, MD, Liberty Family Medicine; Mark Ringle, MD, Beavercreek Family Physicians; Joyce Tebbe, ACNP, Covington Family Care; Stephen Liptak, PsyD, Upper Valley Outpatient Behavioral Health; Joseph Allen, MD, Family Medicine of Vandalia; Chandan Gupta, MD, Monroe Medical Center; Paul Jennewine, MD, Middletown Medical Group; Kimberly Bethel, Trotwood Physician Center; Mansi Amin, DO, SureCare Medical Center; Geetha Ambalavanan, MD, Fairborn Medical Center; C. Joe Northup, MD, Premier Weight Loss Solutions; Faisal Khatri, MD, Premier Family Care of Mason