what is the cause of low thyroid?
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Hypothyroidism results when the thyroid gland fails to produce enough hormones. Hypothyroidism may be due to a number of factors, including: Autoimmune disease. The most common cause of hypothyroidism is an autoimmune disorder known as Hashimoto's thyroiditis.
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Hypothyroidism and Adrenal Gland Troubles The thyroid is another gland responsible for producing hormones that keep your body running optimally. When the thyroid gland, which is in the lower front of your neck, isn't functioning well, you can become tired, forgetful, and depressed — similar to adrenal symptoms.
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Hypothyroidism. One of the most common results of low iodine is that your thyroid can't make enough thyroid hormone, a condition called hypothyroidism. This might inflame the gland and cause a goiter, but not always. It could also thin your hair, dry your skin, and make you feel cold, tired, constipated, and depressed.
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If your thyroid is underactive, a lack of treatment, or insufficient treatment, may make weight loss almost impossible, despite diet and exercise. And the longer it takes you to get diagnosed, the more weight you could gain.
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The most common cause of thyroid enlargement is the nutritional deficiency of iodine required to produce thyroid hormones. If there is not enough iodine available, the thyroid gland reacts by becoming enlarged.
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Hypothyroidism: a condition where the thyroid gland is underactive and does not produce enough thyroid hormone. Treatment requires taking thyroid hormone pills. Subclinical Hypothyroidism: a mild form of hypothyroidism where the only abnormal hormone level is an increased TSH.
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Signs of hypothyroidism, a condition in which the gland produces insufficient thyroid hormone, can include hair loss, unexplained weight gain, constipation, slowed thinking, and depression. While too little thyroid hormone can skew the body temperature cold, too much can cause a person to feel hot.
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Thyroid hormones are necessary for the body to metabolize carbohydrates, as well as for the pancreas to properly function (the organ producing insulin). Low thyroid hormones cause a drop in insulin levels — insulin is a hormone needed to take sugar from the blood to different cells throughout the body.
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People with hypothyroidism produce too little thyroid hormone, and overtime that deficiency can damage the nerves that send signals from your brain and spine to your arms and legs. Some people with underactive thyroids will feel tingling or numbness in their muscles, while others might experience leg cramps.
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High TSH levels can mean your thyroid is not making enough thyroid hormones, a condition called hypothyroidism. Low TSH levels can mean your thyroid is making too much of the hormones, a condition called hyperthyroidism. A TSH test does not explain why TSH levels are too high or too low.
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According to Dr. Kitahara, if someone has low thyroid function, their TSH is high, and the thyroid hormones known as T3 and T4 are low—and weight gain often occurs. If someone has an overactive thyroid or hyperthyroidism, TSH is usually low, the T3 and T4 are high, and weight loss occurs.
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When blood levels of TSH rise, the thyroid gland uses iodine to make thyroid hormones. However, when your body is low in iodine, it can't make enough of them ( 9 ). To compensate, the thyroid gland works harder to try to make more. This causes the cells to grow and multiply, eventually leading to a goiter.
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Hypothyroidism is the result of an underactive thyroid gland, and this causes goiter. Because the gland produces too little thyroid hormone, it is stimulated to produce more, leading to the swelling.
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Congenital hypothyroidism can be caused by a variety of factors, only some of which are genetic. The most common cause worldwide is a shortage of iodine in the diet of the mother and the affected infant. Iodine is essential for the production of thyroid hormones.
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Causes. Hypothyroidism is caused by inadequate function of the gland itself (primary hypothyroidism), inadequate stimulation by thyroid-stimulating hormone from the pituitary gland (secondary hypothyroidism), or inadequate release of thyrotropin-releasing hormone from the brain's hypothalamus (tertiary hypothyroidism).
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The most common cause of hypothyroidism is an autoimmune disease called Hashimoto's disease, a condition where the immune system makes antibodies that destroy thyroid cells and stop them from making the thyroid hormone. The most common form of hyperthyroidism is a condition called Graves' disease.
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Low thyroid hormone production, or hypothyroidism, causes a range of symptoms, such as fatigue, constipation, dry skin and brittle nails, aches and pains, and feeling down. You might easily attribute hypothyroidism symptoms to other health problems. Moreover, hypothyroidism is especially common in women.