This is what I found on Web MD:

There are plenty of good reasons to seek a higher education, but avoiding Alzheimer’s disease probably isn’t one of them, new research suggests. The study found that a person’s level of education wasn’t related to the onset of memory and thinking (“cognitive”) troubles, or the rate at which dementia progressed.

“Education is related to cognitive growth in early life, but it wasn’t associated with cognitive change as you age. What’s more important is what you’re doing now, than what you did 40 or 50 years ago,” explained study author Robert Wilson. He’s a neuropsychologist at Rush University Medical Center in Chicago.

Wilson said that continuing to do things such as learning a new language, social activities, having a purpose in life, or engaging in mentally demanding work may help keep your brain sharper as you get older.

Information provided by Web MD.

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