
Longevity Optimization with Kayla Barnes-Lentz Dr. Sarah E. Hill, PhD - PMS Expert: Get Through Your Cycle Easier With These Simple Tricks
Dec 18, 2025
Dr. Sarah E. Hill, a renowned research psychologist and author, dives into the fascinating world of PMS and hormone science. She reveals the three main causes of PMS symptoms and critiques one-size-fits-all health advice tailored for men. Learn about the importance of cycle-specific strategies for better health and why women need more sleep during certain phases. Sarah also discusses the impact of stress and social support on ovulation, along with natural supplements to ease luteal discomfort. This insightful conversation is packed with practical tips for optimizing well-being.
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Why PMS Is Not Just One Thing
- PMS arises from three drivers: purposeful hormonal shifts, one-size-fits-all protocols, and low cellular plasticity.
- These combined factors make luteal-phase changes feel worse for many women than they need to be.
Gut Dysbiosis Triggered New PMS Symptoms
- Kayla lost her breast implants and took antibiotics which disrupted her gut and triggered PMS symptoms for the first time.
- She linked increased beta-glucuronidase and gut dysbiosis to the new luteal-phase symptoms.
Metabolism Rises In The Luteal Phase
- Standard calorie recommendations ignore the 7–11% BMR rise in the luteal phase, creating mismatched guidance for women.
- Ignoring that metabolic increase contributes to hunger and carbohydrate cravings in the second half of the cycle.

