Thyroid Disease: The Basics Thyroid disease affects millions of Americans, often going undiagnosed due to its subtle and overlapping symptoms. The thyroid gland, located in the neck, plays a vital role in regulating metabolism, energy levels, and body temperature. When this gland malfunctions, it can lead to conditions that greatly impact your overall health. AFC Urgent Care New Bedford is committed to helping you recognize the signs of thyroid disease, so if needed you can ...