Problems with the thyroid include a variety of disorders that can result in the gland producing too little thyroid hormone (hypothyroidism) or too much (hyperthyroidism). Thyroid disorders can affect heart rate, mood, energy level, metabolism, bone health, pregnancy and many other functions.
What causes stroke paralysis? Problems with the thyroid can be caused by: iodine deficiency. autoimmune diseases — when your immune system attacks your thyroid — such as Graves' disease or Hashimoto's disease. inflammation (thyroiditis), which may or may not cause pain.