| cognitive performance among the elderly in relation to the intake of plant foods. the hordaland health study. | fruits and vegetables are among the most nutritious and healthy of foods, and are related to the prevention of many chronic diseases. the aim of the study was to examine the relationship between intake of different plant foods and cognitive performance in elderly individuals in a cross-sectional study. two thousand and thirty-one elderly subjects (aged 70-74 years; 55% women) recruited from the general population in western norway underwent extensive cognitive testing and completed a comprehensi ... | 2010 | 20550741 |