The Cortisol Effect is one email every morning, for women 45+. What you noticed in the mirror, the mechanism the evidence supports, and one useful thing to do.
2 October 2026
80% of women in the transition experience this. The trigger is a normal nighttime event.
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30 September 2026
A 10-year study found something nobody expected about deep sleep at midlife.
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28 September 2026
Light enters the eyes and resets the clock that runs the rest of the day. No equipment needed.
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