Cortisol, 24 Hour
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Cortisol is the major adrenal steroid hormone and is controlled by the pituitary gland and the hypothalamus. The body’s stress response increases cortisol in order to mobilize energy to manage and resolve the stressor.
Chronic stress can fatigue the adrenal gland which can disrupt its normal diurnal control over cortisol. This disruption can lead to symptoms like fatigue, weight gain, insomnia, depression, and anxiety.
So if you’re feeling tired and stressed out, check your cortisol level.
Cortisol levels rise and fall during the day. The highest levels typically occur at about 6 a.m. to 8 a.m. and the lowest levels at about midnight.
How to collect a 24-hour urine specimen:
Fasting is not required for this test. Take all medications as prescribed.
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