Most American adults think the work of protecting the brain should start well before age 40, according to a national survey of 1,000 adults commissioned by The Ohio State University Wexner Medical Center. The catch: 60 percent said they want to prioritize brain health earlier in life but don't know how.
That gap between intent and know-how is the more interesting finding. Public awareness campaigns have clearly landed the message that dementia risk is not something that only becomes relevant in your seventies, but the survey suggests the practical follow-through is missing for a majority of people who say they care about it.
Dr. Douglas Scharre, a neurologist and medical director of Ohio State's Center for Cognitive and Memory Disorders, said he is seeing people take steps to protect their brains even when they have no family history and no signs of memory or thinking problems. He described middle age or younger as an ideal window, arguing that habits started early can build a more robust brain reserve, which in turn could push back the point at which everyday memory lapses begin to appear.
Brain reserve is the underlying idea worth holding onto here: the notion that a better-maintained brain can absorb more damage before symptoms surface. This was a survey of attitudes rather than a study of outcomes, so it tells us what Americans believe and where they feel stuck, not how much any particular habit shifts individual risk.