Michigan Medicine - University of Michigan Jun 18 2026 Nearly all Michiganders age 50 and over say it's very important to keep their brains healthy as they grow older, a new poll finds. But less than half (47%) of middle-aged and older Michiganders know that everyday actions can be very important for reducing their future risk of dementia. And half or less practice at least one of four key habits daily or most days that can protect their brain health as they age. The poll findings come at a