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The longer a person has type 2 diabetes, the more likely they may be to experience changes in brain structure, a Michigan Medicine study finds.

Researchers analyzing data from 51 middle-aged Pima American Indians living with type 2 diabetes used a series of memory and language tests developed by the National Institutes of Health, called the NIH Toolbox Cognitive Battery, as well as MRI, to determine the relationship between diabetes, cognition and makeup of the brain.

Brain imaging suggested that study participants with longer durations of type 2 diabetes had decreased mean cortical thickness and gray matter volumes, and an increased volume of white matter hyperintensities.

The MRI results, researchers say, buy prescription from mexico pharmacy indicate the negative effects longstanding diabetes may have on brain health outcomes and emphasize the importance of preventing early onset type 2 diabetes.

Cognition in study participants with type 2 diabetes did not differ compared to those without the condition. Results are published in Annals of Clinical and Translational Neurology.

This is among the first times that alterations of the brain's structure have been associated with duration of diabetes."

Evan Reynolds, Ph.D., first author, research fellow and lead statistician for the NeuroNetwork for Emerging Therapies at Michigan Medicine

"Although we did not find reduced cognition through the NIH Toolbox, this might not give the entire picture. The fact that we saw negative changes in the brain itself provides evidence for the need for early screening for cognitive disorders in patients with type 2 diabetes to improve patient care and quality of life."

Investigators also found that diabetes complications, such as chronic kidney disease and damage to the nerves in the heart and blood vessels, are linked to structural changes to the brain. This falls in line with another of the team's studies, which found that diabetic complications increased the odds of developing a cognitive disorder by 2.45 times in 40 to 60-year-olds.

Researchers were surprised that neuropathy, by which up to 50% of people with diabetes can be affected, was not associated with cognitive function in the study.

"This study is critical to our understanding of how diabetes affects brain health and lays the groundwork for a larger, longitudinal study addressing how persons with diabetes can maintain a healthy brain," said senior author Eva Feldman, M.D., Ph.D., James W. Albers Distinguished Professor at U-M, the Russell N. DeJong Professor of Neurology at U-M Medical School and director of the NeuroNetwork for Emerging Therapies at Michigan Medicine.

"Regardless of the underlying mechanisms, preventing these conditions in people with type 2 diabetes is critical to maintaining brain health. Educating the public on the risks that diabetes poses to a preserving a healthy brain is part of our mission."

Source:

Michigan Medicine – University of Michigan

Journal reference:

Reynolds, E. L., et al. (2023) Association between brain health outcomes and metabolic risk factors in persons with diabetes. Annals of Clinical and Translational Neurology. doi.org/10.1002/acn3.51859.

Posted in: Medical Research News | Medical Condition News

Tags: Aging, Blood, Blood Vessels, Brain, Chronic, Chronic Kidney Disease, Cognitive Function, Diabetes, Heart, Imaging, Kidney, Kidney Disease, Language, Medical Research, Medical School, Medicine, Neurology, Neuropathy, pH, Research, Type 2 Diabetes, Vaccine

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