Nutritionists and dietitians can analyze a person's diet in detail by using tables of food composition. 營養學家和飲食學家能夠通過使用食物成分表詳細分析個人的飲食。
Food intolerance, where a symptom is triggered by a food or substance, is much more common than food allergy. 食物不耐受的癥狀由某種食物或食物成分引起，比食物過敏更常見。
This gradual change in the food consumption pattern will cause the staple food consumption to decrease while the supply of grain used for feed will gradually increase. 由於食物構成的變化，直接食用的口糧將繼續減少，飼料糧將逐漸增加。
