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.)
But now, a study in the journal Psychological Science attempts to explain the fear. Researchers Geoff Cole and Arnold Wilkins of the Centre for Brain Science at the University of Essex based their research on images posted on Trypophobia.com. They've concluded that it is not the holes that these people fear. Instead, their brains associate the holes with danger. What kind of danger they sense, exactly, is still being studied. According to site, the fear covers clustered holes in skin, meat, wood, plants, coral, sponges, mould, dried seed pods and honeycomb.