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Overweight Not Linked With Memory Problems

Woman on ScalesNew research finds memory loss in seniors is not caused by being overweight, unlike the increased risk for high blood pressure, diabetes and heart disease that are known to accompany weight gain.

The study is published in the online edition of Neurology®, the medical journal of the American Academy of Neurology.

The six-year study involved 3,885 community dwelling people over age 65 in Chicago, IL. Of the participants, nearly 25 percent were obese with a body mass index (BMI) over 30, and 37 percent were overweight with a BMI between 25 and 29.9. Four cognitive tests were given at the beginning of the study and every three years thereafter over the six-year period.

The study found no significant changes in memory or cognitive function throughout the study for overweight or obese participants. In fact, participants who were underweight had more cognitive decline over time.

“We do not know yet why being overweight or obese does not increase the risk for cognitive decline in old age, however being underweight may be a correlate of the initial stages of Alzheimer’s disease,” said study author Maureen T. Sturman, MD, MPH, Rush University Medical Center and John H. Stroger Hospital of Cook County in Chicago.

“While past studies have found obesity in middle age increases a person’s risk for dementia or Alzheimer’s disease, our findings show obesity in old age has no effect on a person’s memory. These findings are consistent with previous studies showing that weight loss or low BMI in old age may be a precursor of cognitive decline or Alzheimer’s disease.”

Source: American Academy of Neurology
Woman on Scales

Overweight Not Linked With Memory Problems

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2015). Overweight Not Linked With Memory Problems. Psych Central. Retrieved on October 22, 2018, from https://psychcentral.com/news/2007/09/20/overweight-not-linked-with-memory-problems/1312.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
Published on PsychCentral.com. All rights reserved.