拒食不如择优营养学家将脂肪食物分为三类:第一类会大量增加人体胆固醇含量,如各种畜肉及其制品、奶油与奶酪中的脂肪等,应少吃或不吃;第二类对胆固醇含量影响甚微,如鸡肉、蛋类、甲壳类动物脂肪;第三类是能够降低胆固醇、保护心脑血管的脂肪,如橄榄油、玉米油和大豆油以及鱼肉脂肪等。对于中老年人,第二、三类 Antifeedant as preferred Optimal nutritionists will be divided into three categories of fatty foods: the first category will greatly increase the body’s cholesterol content, such as all kinds of meat and meat products, cream and cheese in the fat, should eat or not eat; the second category Little effect on the cholesterol content, such as chicken, eggs, crustacean fats; The third category is to reduce cholesterol, protect the cardiovascular and cerebrovascular fat, such as olive oil, corn oil and soybean oil and fish fat and so on. For the elderly, the second and third categories