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1992年,美国农业部提出了一个健康饮食建议,或许我们都还记得:少食脂肪(胆固醇),多吃复合碳水化合物——粥、谷物、肉或奶,外加蔬菜(包括土豆)。说实话,饮食营养学家们当然知道,不是所有的脂肪对人体都有害。比如说,饱和脂肪(肉和奶)会提高血液中胆固醇的含量,使人患心血管病的几率增加,而非饱和脂肪(植物油、鱼类)会降低胆固醇,这在20世纪60年代已广为人知。当时建议人们多食用植物油,少食用动物
In 1992, the USDA came up with a healthy diet proposal. Perhaps we all remember that eating less fat (cholesterol), eating complex carbohydrates - porridge, cereal, meat or milk, plus vegetables (including potatoes). To be honest, of course, diet nutritionists know that not all fat is harmful to humans. For example, saturated fats (meat and milk) raise the level of cholesterol in the blood and increase the risk of cardiovascular disease, whereas non-saturated fats (vegetable oils, fish) lower cholesterol, which was well known in the 1960s . At that time suggested that people eat more vegetable oil, less food animals