Graves disease, an autoimmune disorder, is the most common cause of hyperthyroidism, or overactive thyroid, which occurs when the body makes too much thyroid hormone. In people with Graves disease, ...

Graves’ disease is an autoimmune condition that causes hyperthyroidism and can affect the heart, eyes, muscles, and bones. It affects about 1.2% of people in the United States. Life expectancy depends ...

If Graves’ disease isn’t treated, exercise can be extremely challenging. That’s because the excess thyroid hormone produced by your thyroid speeds up metabolism, puts extra strain on the heart and ...