Why do some people maintain good memories and have healthy brains even as they age? Research that my colleagues and I recently published in Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring , explored the effects and interactions of social, linguistic, and endocrinological factors on cognitive health. With Canada's aging population, the question of brain health is a relevant one. The most recent census in 2021 indicated that one in eight Canadians is aged 70 or over, and there