Cynthia Thurlow, NP: Perimenopause, Insulin Resistance and Midlife Metabolism
12 February 2026

Cynthia Thurlow, NP: Perimenopause, Insulin Resistance and Midlife Metabolism

Longevity Optimization with Kayla Barnes-Lentz

About

Perimenopause is not just about hormones, it’s a metabolic transition that affects insulin sensitivity, gut health, stress tolerance, and long-term disease risk.

In this episode, Cynthia Thurlow, board-certified nurse practitioner and functional medicine expert, explains how women’s metabolism changes in midlife and why insulin resistance, poor stress resilience, and gut dysfunction often appear years before menopause.

She breaks down how perimenopause can begin earlier than most women expect, why symptoms vary so widely, and how lifestyle factors like fasting, exercise intensity, sleep, alcohol, and chronic stress interact with hormones during this transition.

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This conversation explores:

    Why insulin resistance often emerges in perimenopause

    How stress and trauma shape metabolic and hormonal health

    The role of gut health in PMS, mood, and estrogen balance

    When fasting helps women and when it makes things worse

    Why “doing everything right” can still lead to symptoms

    How to individualize nutrition, training, and recovery in midlife


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Learn more about Cynthia Thurlow

Instagram: https://www.instagram.com/cynthia_thurlow_/

YouTube: https://www.youtube.com/cynthiathurlow

Website: https://www.cynthiathurlow.com/

Pre-order her upcoming book: The Menopause Gut (28th of April 2026):https://www.penguinrandomhouse.com/books/777129/the-menopause-gut-by-cynthia-thurlow-np/?mcp…

ACE (Adverse Childhood Experiences) questionnaire:https://www.acesaware.org/wp-content/uploads/2022/07/ACE-Questionnaire-for-Adults-Identified-English-rev.7.26.22.pdf