In this article. Hyperthyroidism is a disorder in which your thyroid gland makes and releases more thyroid hormone than your body needs. Your doctor may say you have an  overactive thyroid , or refer to the condition as overactive thyroid disease.. Your thyroid gland is located in the front of your neck.raves' disease. The most common cause of hyperthyroidism is an autoimmune condition called Graves' disease. The body's immune system creates an antibody that causes the gland to make an excessive amount of thyroid hormone. Graves' disease runs in families, and usually affects younger women. Thyroiditis.
We use the term phobophobia to name the fear of fear or of phobias. (The word phobia comes from the Greek for fear.)
Fear can be a noun or a verb. 1. used as a noun. Fear is an unpleasant feeling that you have when you think you are in danger. They huddled together, quaking with fear. She was brought up with no fear of animals. You do not say that someone 'feels fear'. You say that they are afraid or are frightened.. a distressing emotion aroused by impending danger, evil, pain, etc., whether the threat is real or imagined; the feeling or condition of being afraid. 2. a specific instance of or propensity for such a feeling: a fear of heights. 3. concern; solicitude: a fear for someone's safety.