Abstract
Objective
The goal of this study was to determine if brain lesion volume was correlated with dietary glycemic index and glycemic load in elderly individuals.
Design and Setting
This cross-sectional study was performed at an academic medical center as part of a clinical study of late-life depression.
Participants
Subjects (n=137) were age 60 or over, and were participating as non-depressed comparison subjects.
Measurements
Food intake was assessed using the Block 1998 food frequency questionnaire. Glycemic index and glycemic load measures were derived from reported food intake. Brain lesion volumes were calculated from magnetic resonance imaging (MRI).
Results
No significant associations were found between glycemic index or glycemic load, and brain lesion volume.
Conclusion
Dietary glycemic measures may be unrelated to brain lesions or may be related to brain lesions only in individuals with impaired glycemic control or other vascular risk factors. Further studies are needed to confirm this finding and to determine if glycemic control moderates this association.
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(work was completed as part of the Master of Science in Clinical Research program)
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Trone, R.J., Weaver, K.G., Steffens, D.C. et al. Glycemic index and glycemic load are not associated with brain lesions in the elderly. J Nutr Health Aging 13, 117–120 (2009). https://doi.org/10.1007/s12603-009-0017-x
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DOI: https://doi.org/10.1007/s12603-009-0017-x