You don’t have to lose cognitive function while aging – Study

With Alzheimer’s Disease and dementia on both sides of my family, I can’t tell you how good it makes me feel to run across studies like this that say the wheels don’t have to come off your mental functions as you age.

Gradual and variable change in mental functions that occurs naturally as people age, not as part of a neurological disease such as Alzheimer’s disease, is one of the most challenging health issues encountered by older adults, says a report from the Institute of Medicine. The aging process affects the brain just like any other part of the body. Known as “cognitive aging,” the type and rate of change can vary widely among individuals. Some will experience very few, if any, effects, while others may experience changes in their memory, speed of processing information, problem solving, learning, and decision-making abilities. The committee that carried out the study and wrote the report proposed three top actions individuals can take to help maintain optimal cognitive function with age.

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“Changes in mental functions and capabilities are a part of aging and occur with everyone,” said committee chair Dan G. Blazer, the J.P. Gibbons Professor of Psychiatry Emeritus at Duke University Medical Center in Durham, N.C. “The extent and nature of these changes vary widely and are gradual, and aging can have both positive and negative effects on cognition. Wisdom and knowledge can increase with age, while memory and attention can decline.”

Aging can affect cognitive abilities needed to perform daily tasks, such as driving, following recipes, adhering to medication schedules, and paying bills, the committee said. As they get older, individuals of all ages should take the following three steps to help promote cognitive health:

Be physically active.
Reduce and manage cardiovascular disease risk factors, including high blood pressure, diabetes, and smoking.
Regularly discuss and review health conditions and medications that might influence cognitive health with a health care professional. A number of medications can have a negative effect — temporary or long term –on cognitive function when used alone or in combination with other medication.

Other actions that may promote cognitive health:

Be socially and intellectually active, and continually seek opportunities to learn.
Get adequate sleep and seek professional treatment for sleep disorders, if needed.
Take steps to avoid a sudden acute decline in cognitive function, known as delirium, associated with medications or hospitalizations.
Carefully evaluate products advertised to consumers to improve cognitive health, such as medications, nutritional supplements, and cognitive training.

Communities, nonprofit organizations, and businesses can play a significant role in developing partnerships and programs to help aging individuals take charge of their cognitive health. The report noted that health care professionals need to be prepared to provide guidance to older adults and their families as the patient population ages.

There has been considerable interest over the past several years in whether cognitive stimulation — either through formal training or everyday activities, such as completing crossword puzzles, participating in a book club, playing card games, or learning to play a musical instrument — can assist in the maintenance or even enhancement of cognitive function. The scientific literature on cognitive stimulation and cognitive training has shown that older adults can improve on trained abilities, albeit often at a slower pace than younger adults, and that improvements on the tasks can be maintained over time. However, studies examining whether cognitive stimulation and training could transfer to real-world activities and tasks have had mixed results. For example, can a computer-based memory training program help people better remember their shopping list, medical and other appointments, and the names and faces of new acquaintances? Claims regarding the effectiveness of cognitive aging related products require careful evaluation by consumers and in regulatory review, the committee said.

Despite widespread publicity about the benefits of vitamins and supplements for brain health and the large expenditures made on these products for a wide variety of reasons, the evidence for supplements enhancing cognition or preventing decline is limited, and the medical literature does not convincingly support any vitamin supplement intervention to prevent cognitive decline, the report says.

The report emphasizes that cognitive aging has significant impacts and widespread consequences on society, including financial losses. Older adults lose an estimated $2.9 billion a year, directly and indirectly, to financial fraud. To provide necessary assistance and support to older adults, the committee called for the development of cognitive aging information resources and tools that can help individuals and families. Programs and services used by older adults, including those in financial institutions and departments of motor vehicles, should be improved to help them avoid exploitation, optimize independence, and make sound decisions. For example, the financial services industries and relevant state and federal agencies should implement systems approaches, training, and laws and regulations to help verify that financial transactions are not fraudulent or the result of diminished decision-making capacity or undue influence.

“We are only really beginning to understand how the brain changes with age,” said Victor Dzau, president of the Institute of Medicine. “As the population of older Americans grows, so will the effects of cognitive aging on society. By calling attention to this issue, we can learn more about the risk and protective factors and needed research so older adults can better maintain their cognitive health to the fullest extent possible.”

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6 Comments

Filed under aging brain, brain, brain function, brain health

6 responses to “You don’t have to lose cognitive function while aging – Study

  1. Interesting post, Tony. Nicely done.

    Liked by 1 person

  2. Hmmm – older folks must take better care with their money! I should be OK… I mistrust everybody :).

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    • Thanks for your comment, Vinny. Always good to hear from you. My heart really goes out to my fellow seniors. Many of them who start experiencing cognitive difficulties don’t know how to get help, or don’t have family or loved ones remaining that can look out for them. That’s why I am so freaky about getting my exercise. I truly believe that the daily cardio keeps the brain sharp. At 78 I don’t want to take any chances.

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  3. I understand that the type of DIY brain exercise is crucial. For example, each crossword is new, but the kind of task involved eventually becomes routine, at which point doing a crossword is not a novelty. And that brain workouts are proven to reduce the risk of cardiovascular dementia and other non-Alzheimer’s dementias. Of course physical exercise has the most effect, as you know.

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