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Cortisol & Stress
Cortisol is a hormone made by the adrenal glands that helps the body respond to stress. These pages separate the well-established science from popular claims.
Guides in this topic
Cortisol and Stress: What the Stress Hormone Really Does
How cortisol and the stress response work, what chronic stress may do to the body, why 'adrenal fatigue' is not a recognized diagnosis, and when to see a clinician.
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Medical disclaimer: This content is educational, not medical advice. It does not diagnose or treat any condition. Always consult a qualified clinician about your symptoms, tests, and treatment options. In an emergency, call 911 or your local emergency number.
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