Normal cortisol levels: 10 to 20 mcg/dL at 6 to 8 a.m. and 3 to 10 mcg/dL around 4 p.m. See blood, urine, and saliva test ranges.
Stress hormones
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Chronic stress isn’t just emotional, it’s hormonal. Here’s how cortisol drives weight gain and the evidence-based ways to break the cycle.