Monash University Apr 25 2026 New research from Monash University, the University of São Paulo and Deakin University shows a diet high in heavily processed foods can negatively impact the brain's ability to focus and increases the risk of developing dementia. The study published today in Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring , a journal of the Alzheimer's Association, examined the diets and cognitive health of more than 2,100 Australian dementia-free adults middle-