Dementia prevention requires systemic change beyond individual lifestyle choices

Across the world, 57 million people are living with dementia — a number expected to reach 139 million by 2050 — and researchers at Curtin University are asking whether we have been looking for answers in the wrong place. Published in The Lancet Public Health, their work examining 61 modifiable risk factors suggests that brain health is less a personal achievement than a public outcome, shaped by the neighbourhoods we inhabit, the education we can access, and the air we breathe. The question of prevention, it turns out, may belong less to the individual and more to the systems that govern how a