Book #5. Michael, Taylor, Ostin, and the rest of the Electroclan go on their most dangerous mission yet as the thrilling action continues in this electrifying fifth installment of the New York Times bestselling series! The resistance movement has been compromised.
The thyroid is like a speed control or accelerator for the body. An overactive thyroid can leave a person feeling 'revved up', even when they should be getting ready to sleep at bedtime. An underactive thyroid slows a person down, and may cause symptoms of depression, fatigue, and weight gain. Thyroid conditions are relatively common, and can be treated.
Advertisement. Overactive thyroid (known medically as hyperthyroidism) is a condition that occurs when the thyroid gland makes more thyroid hormone than the body needs. It is sometimes called thyrotoxicosis, the technical term for too much thyroid hormone in the blood.