In 2012, the Australian Government declared dementia as the ninth National Health Priority Area. Eight years later, dementia is the greatest cause of disability in Australians aged over 65 years, the second leading cause of mortality, and the highest in women.1 Today, more than 459 000 Australians live with dementia, and this number is expected to exceed one million by 2056.2 The societal, economic and health care burden of dementia is unprecedented, with significant impacts on individuals, caregivers and families. In addition to therapeutic advances, improved and timely diagnosis and coordinated person-centred care, dementia prevention and risk-factor management are our best chance to make a difference.3 How do we tackle dementia preventio...