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Caffeine May Protect Women from Dementia

Caffeine May Protect Women from Dementia

A new study of women aged 65 and older discovered a 36 percent reduction in dementia among women who consumed caffeine. Researchers followed the women for over 10 years.

The women self-reported caffeine consumption of more than 261 mg per day or the equivalent to two to three 8-oz cups of coffee per day, five to six 8-oz cups of black tea, or seven to eight 12-ounce cans of cola.

“The mounting evidence of caffeine consumption as a potentially protective factor against cognitive impairment is exciting given that caffeine is also an easily modifiable dietary factor with very few contraindications,” said Ira Driscoll, Ph.D., the study’s lead author and a professor of psychology at the University of Wisconsin-Milwaukee.

“What is unique about this study is that we had an unprecedented opportunity to examine the relationships between caffeine intake and dementia incidence in a large and well-defined, prospectively-studied cohort of women.”

The findings come from participants in the Women’s Health Initiative Memory Study, which is funded by the National Heart, Lung, and Blood Institute. Driscoll and her research colleagues used data from 6,467 community-dwelling, postmenopausal women aged 65 and older who reported some level of caffeine consumption.

Intake was estimated from questions about coffee, tea, and cola beverage intake, including frequency and serving size.

In 10 years or less of follow-up with annual assessments of cognitive function, 388 of these women received a diagnosis of probable dementia or some form of global cognitive impairment. Those who consumed above the median amount of caffeine for this group (with an average intake of 261 mg per day) were diagnosed at a lower rate than those who fell below the median (with an average intake of 64 mg per day).

The researchers adjusted for risk factors such as hormone therapy, age, race, education, body mass index, sleep quality, depression, hypertension, prior cardiovascular disease, diabetes, smoking, and alcohol consumption.

Source: Oxford University Press/EurekAlert

Caffeine May Protect Women from Dementia

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. (2016). Caffeine May Protect Women from Dementia. Psych Central. Retrieved on December 11, 2018, from https://psychcentral.com/news/2016/10/04/caffeine-may-protect-women-from-dementia/110690.html

 

Scientifically Reviewed
Last updated: 4 Oct 2016
Last reviewed: By John M. Grohol, Psy.D. on 4 Oct 2016
Published on PsychCentral.com. All rights reserved.