LYLE MCDONALD: FITNESS MYTHS FOR WOMEN (PART 2) — DOES FASTED CARDIO WRECK YOUR HORMONES? THE TRUTH ABOUT CORTISOL, ZONE 2 TRAINING, FAT LOSS & BIRTH CONTROL | EP.

LYLE MCDONALD: FITNESS MYTHS FOR WOMEN (PART 2) — DOES FASTED CARDIO WRECK YOUR HORMONES? THE TRUTH ABOUT CORTISOL, ZONE 2 TRAINING, FAT LOSS & BIRTH CONTROL | EP.

June 3, 2026 · 1h 28m

About this episode

In this episode, Lyle McDonald joins Brandon DaCruz to debunk common fitness myths related to women, focusing on fasted cardio, cortisol, and effective training methods.

There is no shortage of advice when it comes to cardio, fat loss, and hormones. And when it comes to women…this is where a lot of the misinformation becomes the most convincing. You’ll hear things like: Fasted cardio wrecks your hormones. Zone 2 cardio doesn’t work for women. Birth control is killing your progress in the gym. And the reason these claims spread so quickly is because they sound scientific. They reference cortisol. They reference metabolism. They reference sex-specific physiology. But when you actually break them down…Most of these claims are built on misinterpreted data, poor extrapolation, or conclusions drawn from research that doesn’t apply to real-world training. In Part 2 of this series, I’m joined once again by Lyle McDonald to break down some of the most common physiology-based myths targeted at women. We unpack what the research actually shows when it comes to fat loss, training adaptations, and hormonal responses and more importantly, how to apply that in a practical coaching context. Because at the end of the day, your results are not dictated by fear-based narratives. They’re dictated by your habits, your consistency, and your ability to apply the…

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