Alterations in thyroid glands are very common, and not all times are associated with unexplained changes in body weight. The mood swings, fatigue, dry skin , or the simple feeling that something is wrong but we know that may indicate that there is a thyroid problem. The thyroid is a butterfly – shaped gland located at the base of the neck that plays a vital role in nearly all body functions. It is part of the endocrine system produces thyroid hormone (TH) , which controls metabolism and affects the heart, muscles, brain and other body parts. When the secret much or little amount of hormones from the basic body functions…