February 2, 2010 in Features
McClatchy-Tribune photos photo

A 3-D rendering of the thyroid gland inside a person’s neck. At top, a view from the front, and above, a view from the side. The thyroid controls the body’s metabolism, converting iodine into hormones that influence every cell and organ in the body. It affects weight, mood, energy level and body temperature. McClatchy-Tribune photos


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