Gaps in knowledge were detected in the course of this review. These are summarized in the following section, which also suggests directions for further investigation. Further study and regular dietary monitoring are needed in order to know more about food consumption habits in seniors. These investigations must be adapted to the reality of targeted aging populations using precise measurements, diverse approaches, appropriate methods and accurate dietary assessment tools to reflect the great heterogeneity typical of older populations. The research agenda should be focussed on interactions between individual and collective determinants of healthy eating that are unique to the elderly in Canada. To achieve this goal, longitudinal studies should be conducted to examine the epidemiological and social aspects of aging; describe the.
