When an ordinary, health person experiences stress, the hypothalamus secretes corticotrophin-releasing hormone (CRH). CRH then triggers the release of certain hormones, which increase the cortisol levels in the blood.
This is important because stress affects blood pressure and blood sugar and the hormone, cortisol, helps maintain normal levels of both. Cortisol levels are not only directly related to the amount of CRH released from the hypothalamus, but the thyroid hormone,
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