The thyroid hormone helps control the speed of your metabolism. How does hypothyroidism affect your metabolism?
People with hypothyroidism may often feel cold and fatigued and may gain weight easily. The thyroid hormone is important for growth, repair, and metabolism. Hypothyroidism is a condition in which the thyroid gland doesn’t make enough thyroid hormone. Learn more about the signs and symptoms of hypothyroidism. That is why people with hypothyroidism often feel cold and fatigued and may gain weight easily ( 1).
Your metabolism affects your body temperature and at what rate you burn calories. They help control growth, cell repair, and metabolism - the process by which your body converts what you eat into energy. This happens when the pituitary gland is not working properly and is called secondary hypothyroidism. Other times, the thyroid gland doesn’t receive enough TSH. Other causes of primary hypothyroidism are iodine deficiency, a genetic disorder, taking certain medications, and surgery that removes part of the thyroid ( 6). This is called primary hypothyroidism and the most common type of hypothyroidism.Īpproximately 90% of primary hypothyroidism is caused by Hashimoto’s thyroiditis, an autoimmune disease in which your immune system mistakenly attacks your thyroid gland ( 5). Occasionally, the thyroid gland doesn’t release thyroid hormones, even when there is plenty of TSH. This signal is sent from the pituitary gland, a small gland found at the base of your brain, when thyroid hormone levels are low ( 4). When the thyroid gland receives a signal called thyroid-stimulating hormone (TSH), it releases thyroid hormones into the bloodstream. It makes and stores thyroid hormones that affect nearly every cell in your body ( 3). The thyroid gland is a small, butterfly-shaped gland that sits near the base of your neck.
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