Bilingualism is more than a communication skill — it is a powerful influence on brain health across the lifespan. Research shows that managing multiple languages strengthens cognitive flexibility, enhances neural resilience, and may protect against age-related decline. Early bilingual experiences shape children’s brain development, while lifelong bilingualism supports healthy aging. In this symposium, our speakers will explore with us how bilingualism contributes to cognitive vitality, from childhood through adulthood, and consider practical approaches for families raising multilingual children. Together, these perspectives highlight bilingualism not only as a cultural asset but also as a key factor in sustaining brain health and wellbeing.