17 December 2025
Credit: Getty Images/FredFroeseBy Olivia Bowthorpe
Alzheimer’s disease-related brain changes are more common in older adults than previously thought, a new first-of-a-kind population level research suggests.
Around 10% of people in their late 50s and 60s had evidence of abnormal protein buildup in the brain driving Alzheimer’s disease. By age 70, just over 30% of participants in the study had these proteins, rising to almost 65% of people over 90.