food needs and nutritional requirements during each stage of the life cycle

1 Describe the changing food needs and nutritional requirements during each stage of the life cycle – pregnancy and lactation; infancy; childhood; adolescence; adulthood; and old age.
2 Discuss how psychosocial, cultural and economic factors play a role in shaping food practices and nutritional status.
3 Identify situations/conditions in which nutritional status may be compromised at each stage of the life cycle and identify vulnerable groups.
4 Explain diet-planning principles and the use of food-group guides, nutrient intake recommendations, food composition databases and food-based dietary guidelines.

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