Hyperthyroidism is when your thyroid-- the butterfly-shaped gland at the bottom of your neck, just above your collarbone -- makes too much thyroid hormone. Because your body relies on precise levels ...
A 25-year-old women presents with a 4- to 8-week history of nervousness, anxiety, palpitations, and weight loss of about 10 pounds despite a good appetite. She does not have chest pain, a history of ...