India, May 24 -- The thyroid gland produces the thyroxine hormone that regulates metabolism (energy release and levels), and acts like a vehicle's accelerator. The thyroid is a small butterfly shaped, hormone producing (endocrine) gland in the front of the neck, wrapped around the breathing tube (Trachea), inbetween vital structures like the Jugular and Carotid vessels, swallowing tube (Esophagus), the voice box (Larynx) and its nerves, and the calcium controlling parathyroid glands. Swelling of the thyroid is called goitre. Thyroid disorders or diseases can affect anyone at any age and are so common that May 25th is observed as World Thyroid Day to raise awareness about thyroid diseases and the importance of early detection and treatment...