Objective To investigate the association between n-6/n-3 fatty acid ratio and the risk factors of cardiovascular disease in 40-65 year-old adults in Guangzhou.Method The adults of 40-65 years old in Guangzhou were enrolled in this study.The dietary fatty acids and other nutrients intakes were assessed with quantitative food frequency questionnaire(FFQ).The composition of erythrocyte membrane,plasma lipids(TC,TG,HDL and LDL) and carotid artery intima-media thickness(IMT) were examined.Results Nine hundred an...