From a story on futurity.org by Noelle Toumey Reetz headlined “How to Keep Your Brain Working Well As You Age”:

For many people, middle age arrives with some minor mental slip-ups. These “senior moments” are universal experiences that come with aging—and typically harmless. The Centers for Disease Control says one in nine adults ages 45 or older report at least occasional confusion or memory loss.

But how do you know when these occurrences are normal? And how can you protect against more serious cognitive issues as you get older?