As we grow older, changes to our bodies and minds are inevitable. But what if science could help us age better? Our experts on Big Ideas uncover the latest science behind healthy brain aging. What's possible in the fight against cognitive decline and dementia? How might you live a longer, healthier, and more meaningful life? Presented by Sydney Ideas , the talk program at the University of Sydney Speakers Associate Professor Eleanor Drummond Senior Lecturer (Neuroscience), School of Medical Sciences, University of Sydney Olivier Piguet NHMRC Leadership Fellow and Professor of Clinical Neuropsychology, University of Sydney Gilbert Knaggs Sociology PhD candidate, University of Sydney Elfy Scott (host)award-winning journalist, podcaster, and presenter