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J Nutr Metab. 2010;2010. pii: 170680. doi: 10.1155/2010/170680. Epub 2010 Feb 28.

Dietary glycemic index, dietary glycemic load, blood lipids, and coronary heart disease.

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Centro de Investigación en Ciencias Médicas, Universidad Autónoma del Estado de México, 50130 Toluca Estado de México, Mexico.



To examine the associations of dietary glycemic index (GI) and dietary glycemic load (GL) with blood lipid concentrations and coronary heart disease (CHD) in nondiabetic participants in the Health Worker Cohort Study (HWCS).


A cross-sectional analysis was performed, using data from adults who participated in the HWCS baseline assessment. We collected information on participants' socio-demographic conditions, dietary patterns and physical activity via self-administered questionnaires. Dietary GI and dietary GL were measured using a validated food frequency questionnaire. Anthropometric and clinical measurements were assessed with standardized procedures. CHD risk was estimated according to the sex-specific Framingham prediction algorithms.


IIn the 5,830 individuals aged 20 to 70 who were evaluated, dietary GI and GL were significantly associated with HDL-C, LDL-C, LDL-C/HDL-C ratio, and triglycerides serum levels. Subjects with high dietary GI have a relative risk of 1.56 (CI 95%; 1.13-2.14), and those with high dietary GL have a relative risk of 2.64 (CI 95%; 1.15-6.58) of having an elevated CHD risk than those who had low dietary GI and GL.


Our results suggest that high dietary GI and dietary GL could have an unfavorable effect on serum lipid levels, which are in turn associated with a higher CHD risk.

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