For decades, degenerative brain diseases like CTE, Alzheimer’s and dementia have been diagnosed only after symptoms appear. New advances in brain imaging, medical research in contact sports and treatment, may allow doctors to prolong the life of our brain cells. Neurologist Dr. Emer MacSweeney explores how earlier detection tools and medication could reshape the future of our brain health. Could this be the idea that makes it to the TED stage in 2026? #TEDxAthens #TEDxAth #TEDxGlobalIdeaSearch This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at ted.com/tedx