In this eye-opening and critically important episode, Dr. Cristina Castagnini welcomes Greta Jarvis, a Licensed Professional Counselor, Certified Personal Trainer, Intuitive Eating Counselor, and Integrative Health Coach, who shares her powerful journey from being a competitive lacrosse athlete whose missing period was dismissed as "normal" to becoming a leading advocate for proper athlete nutrition and education.

For nearly a decade, Greta was told by doctors, coaches, and the sports culture around her that losing her period as an athlete was just part of the game—a sign of dedication and discipline. It wasn't until after college, when she discovered research on relative energy deficiency in sport (RED-S), that she realized her body had been screaming for help all along.

Through her personal recovery and professional training, Greta learned that underfueling is one of the most overlooked issues in athletics—and that what looks like peak performance on the outside can mask serious health consequences on the inside. Together, Dr. Castagnini and Greta explore the dangerous normalization of disordered eating in sports, the signs coaches and athletes need to watch for, and how to create a culture that prioritizes long-term health over short-term performance.

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