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Write the causes of goiter

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Write the causes of goiter

    • Posted by Swathi Krishna Kumar 8 years, 2 months ago

    CBSE > Class 08 > Science
    • 1 answers

    Amar Kumar 8 years, 2 months ago

    1.  Iodine deficiency: Seafood Deficiency of iodine - found in seafood - is a major cause of goiter.  Dietary iodine is found in: seafood plant food grown in iodine-rich soil cow's milk.The thyroid gland needs iodine to manufacture thyroid hormones, which regulate the body's rate of metabolism.
    2. Autoimmune disease :The main cause of goiter in developed countries is autoimmune disease. Women over the age of 40 are at greater risk of goiter, as are people with a family history of the condition. 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. This usually results from Hashimoto's thyroiditis, a condition in which the body's immune system attacks its own tissue and causes inflammation within the thyroid gland.
    3. Hyperthyroidism: Hyperthyroidism - an overactive thyroid gland ,is another cause of goiter too much thyroid hormone is produced. This usually happens as a result of Graves' disease, an autoimmune disorder where the body's immunity turns on itself and attacks the thyroid gland, causing it to swell.
    4. nodules - benign lumps
    5. smoking - thiocyanate in tobacco smoke interferes with iodine absorption
    6. hormonal changes - pregnancy, puberty, and menopause can affect thyroid function
    7. thyroiditis - inflammation caused by infection, for example
    8. lithium - a psychiatric drug that can interfere with thyroid function
    9. overconsumption of iodine - too much iodine can cause a goiter
    10. radiation therapy - particularly to the neck

    1Thank You

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