In Graves' disease, the body's immune system attacks the thyroid gland, causing it to produce too many hormones.在患有格雷夫斯氏病的患者身上，免疫系统攻击甲状腺，造成其分泌过多的激素。Graves' disease is a common cause of hyperthyroidism in children and adolescents.在儿童和少年中，格雷夫斯氏病是导致甲状腺亢进的主要原因。