The Genius Life 551: Why Women Gain Belly Fat After 40 and How to Reverse It | Mariza Snyder, DC
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Feb 16, 2026 
Mariza Snyder, DC, a functional practitioner and women’s health expert focused on perimenopause, explains why midlife body changes happen. She discusses hormonal shifts that drive belly fat, insulin resistance and muscle loss. Practical topics include tracking biomarkers, movement and strength habits, sleep and cooling strategies, and thoughtful use of hormones and supplements.
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Personal Catalyst: Her Mother's Struggle
- Dr. Mariza Snyder cared for her mother who suffered severe perimenopause symptoms after being denied appropriate treatment.
- That experience motivated Snyder to change her practice and write The Perimenopause Revolution.
Track Cycle And Biomarkers Early
- Track your menstrual cycle and annual biomarkers to know your personal normals and detect early shifts.
- Use devices like WHOOP, Oura, or a CGM to get actionable data for real-time decisions about recovery and glucose control.
Both Redistribution And New Fat Accrue
- Weight gain in perimenopause is both redistribution and new accumulation due to muscle loss and lower basal metabolic rate.
- Stress, poor sleep, and declining estrogen synergize to accelerate visceral fat gain.
