Dementia risk factors look different around the world, large study finds

MedicalXpress | Jul 11, 2026

A major, USC-led study of more than 214,000 older adults across 14 countries and regions finds that the most common controllable risk factors for dementia—such as low education, high blood pressure and smoking—vary widely from country to country, meaning a one-size-fits-all approach to prevention won't work everywhere.