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FRONTLINE PBS February 20, 2026

Why this neurologist doesn’t allow her kids to play football

Summary

A neuropathologist discusses the meticulous process of brain specimen collection, preservation, and scientific examination, focusing specifically on her groundbreaking research into chronic traumatic encephalopathy (CTE) in young athletes. Through studying brain samples from boxers and NFL players like Paul Pender and Tom McHale, she discovered unexpectedly severe neurological deterioration in individuals aged 45 and younger, characterized by extensive tau protein deposits across brain regions. Her passionate scientific curiosity and commitment to understanding this emerging neurological condition drove her to carefully document and compare these unique brain pathologies, ultimately contributing to the emerging medical understanding of repetitive brain trauma's long-term consequences.

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