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Employing such reminders doesn't indicate a problem, but probably won't sharpen your mind either
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by Renée Bacher
Updated October 3, 2022
Think you can function these days without some version of a "to-do" list? Good luck with that, especially given the demands of a job and running a household.
Besides, it can be satisfying to cross things off that list as you hit the post office, the dry cleaner and the grocery store on your way home from the gym. But is list-making a crutch that indicates a cognitive problem? Or is it a tool that not only keeps us functioning well, but also helps keep our minds sharp?
The answer is, it's not a crutch, nor is it going to sharpen your mind. However, if it works for you, keep doing it. (And don't worry about it.)
Unfortunately, the normal decline in cognition that comes with age may include a reduced attention span, slower response times, more errors when you try to multitask and less ability to retain new information — and that new information may be your dentist appointment tomorrow. None of this, however, is considered dementia.
Jeffrey Keller, director of Pennington Biomedical Research Center's Institute for Dementia Research and Prevention in Baton Rouge, La., says being efficient and organized by keeping ongoing lists is not a sign that someone has a cognitive problem. "If someone increasingly over time begins to require a list to complete simple or routine tasks, it is also unlikely there is a problem," he adds.
However, if you feel unable to perform a routine task even with that list right in front of you, or you suddenly feel the need to add "take a shower" to your list (when you've never needed such a reminder before), something might be amiss.
More important, if you stop engaging in a regular activity, such as meeting friends for coffee every Sunday at 10, even with the help of a list, it's time to talk to your doctor.
To stay sharp as you age, says R. Scott Turner, a neurologist and director of the Memory Disorders Program at Georgetown University Medical Center, follow these practices, which have shown the most evidence of being effective:
“Summary of the evidence on modifiable risk factors for cognitive decline and dementia: A population-based perspective,” Alzheimer's & Dementia, May 2015. This scientific paper explores the research behind which modifiable risk factors, such as regular physical activity and a healthy diet, may be linked to a reduced risk of cognitive decline and dementia. It summarizes findings that the Alzheimer's Association presented at an October 2014 World Dementia Council (WDC) meeting. Read the full article.