Not too many people paid attention to this research until the last few years when, in this country especially, people are becoming curious about what happens to the brains of football players who bang their heads repeatedly.
Non moita xente se fixou nesta investigación ata estes últimos anos cando, neste país sobre todo, está espertando a curiosidade co que ocorre cos cerebros dos xogadores de fútbol americano que petan seguido coas súas cabezas.