Describe the effects of high blood cortisol levels on human function.

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gsenviro | College Teacher | (Level 1) Educator Emeritus

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Cortisol is a steroid and plays a role in various bodily functions, including bone growth, blood pressure control, immune system function, stress response, nervous system function, etc. It increases the blood sugar level, suppresses bone formation and immune system and aids in the metabolism of macromolecules (such as carbohydrates and proteins). 

High blood cortisol levels or hypercortisolism may indicate Cushing disease, Ectopic Cushing Syndrome or adrenal gland tumor. The symptoms associated with high cortisol level are hypertension (high blood pressure), high blood sugar level, obesity, fragile skin, weakness, muscle wasting and osteoporosis. Thus, a person with high blood cortisol level will have weakened bones, weak immune system, hypertension, weight gain, thirst, frequent urination, slow healing of cuts & wounds, blurry vision, and more.

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