Uploaded May 2026 | Updated September 2026, 2 weeks ago

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Is undereating quietly undermining your health, even if you're following popular diet advice? I break down why over 50% of recreationally active women are in low energy availability without knowing it, what fasting and calorie restriction are actually doing to your thyroid, circadian rhythm, and sleep, and why the overnight fast you already do is the only fasting your body needs.

Watch the full episode here: youtu.be/Ho7VH6xIrCk

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👩‍🔬 About Me:
I’m Dr. Stacy Sims, exercise physiologist, nutrition scientist, and author of ROAR and Next Level. My mission is simple: stop training women like small men. I help you understand and work with your physiology - for better performance, health, and longevity.

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