Dietary history and evaluation of dietary intake:
This includes a detailed accounting of all foods, beverages, and additives consumed, as well as eating habits, food dislikes, food preferences, food avoided for health reasons, food allergies, no. of meals per day.
Truly accurate evaluation, however, usually is considered the most difficult part of any nutritional state assessment, this because eating habits often change when they are being monitored, many patients also fail to accurately record all food that they consumed, either because they forget or because they misunderstand the directions.