Too much growth hormone-releasing hormone production may be caused by hypothalamic tumors or by tumors located in other parts of the body (ectopic tumors). The consequence of having too much growth hormone-releasing hormone is a rise in growth hormone levels in the blood stream and enlargement in pituitary gland. 
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Growth Hormones is produced by the Pqituitary Gland. The Pituitary Gland also produces other hormones which have different functions to growth hormones..
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