Graves' disease. Graves' disease is the most common cause of overactive thyroid. It can run in families and can occur at any age, although it is most common in women aged 20-40 years old. You are more likely to develop Graves' disease if you smoke. Graves' disease is an autoimmune condition.
Full Removal. If your doctor removes your entire thyroid, your body will begin to exhibit symptoms similar to hypothyroidism, due to the lack of thyroid hormones in your body. These symptoms may include fatigue, elevated cholesterol levels, uncontrollable weight gain, muscle weakness and depression.
Good Foods to Eat After Thyroid Surgery. Soft drinks and foods are a good choice following thyroid surgery. Photo Credit Thinkstock Images/Comstock/Getty Images. Removal of part or all of the thyroid gland is called a thyroidectomy, and is necessary when you have a cancerous thyroid nodule. You may also require surgery if you are suffering from symptoms due to a benign thyroid nodule. Other reasons for thyroid surgery include recurrent thyroid cysts, Gravesâ disease or goiter. Recovery from an operation on your thyroid is usually quick.