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Unhealthy Meals Dull Older Diabetics' Memory
Antioxidant vitamins counter cognitive decline, but experts say eating healthy is better
By Kathleen Doheny
HealthDay Reporter
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THURSDAY, June 26 (HealthDay News) -- Older adults with type 2 diabetes are apt to have memory problems after eating a meal loaded with fat, but a new study has found the damage can be undone if they take antioxidant vitamins along with the unhealthy food.
However, the researchers emphasize, it is better to eat healthy foods and not rely on vitamins to undo the cognitive harm.
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"What we are aiming for is for people to actually eat healthier meals," said study author Michael Herman Chui, a third-year medical student at the University of Toronto. His report is published in the July issue of Nutrition Research.
"From this study, we could conclude that if people continue to eat this kind of meal long-term, the memory impairment would potentially be long-lasting," he said. His co-author is Dr. Carol E. Greenwood, a senior scientist at Baycrest Centre for Geriatric Care, a research and care facility affiliated with the University of Toronto.
In 2003, Greenwood published a paper finding that memory problems occurred after type 2 diabetics ate a meal of rapidly absorbed carbohydrates -- in this case, half a bagel and white grape juice.
In the recent study, Greenwood and Chui added fat to the meal. They looked at the effects of the meal on the cognitive performance of 16 adults with type 2 diabetes, average age 63. The meal included 3,356 calories and had more than 50 grams of fat, more than 63 grams of carbs and more than 25 grams of protein. It included Danish pastry, cheddar cheese and yogurt with whipped cream.
They tested their cognitive performance on various tests 60 minutes and 105 minutes after eating the meal. On a second occasion, the researchers conducted the same tests after the participants ate the same meal but also took 1,000 milligrams of vitamin C and 800 IUs of vitamin E. On a third occasion, they tested the participants again after they had only water.
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Copyright © 2008 ScoutNews, LLC. All rights reserved.
Last updated 6/26/2008
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SOURCES: Michael Herman Chui, medical student, University of Toronto; Connie Diekman, M.Ed., R.D., director, university nutrition, Washington University, St. Louis; Lona Sandon, M.Ed., R.D., assistant professor, University of Texas Southwestern Medical Center at Dallas; July 2008, Nutrition Research
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