近几年来,对动物油脂的批判不绝于耳,猪油、牛油成了引发心脏病和中风的罪魁祸首,人们也纷纷把厨房中的动物油换成了菜籽油、橄榄油等植物油,把案板上的猪肉换成了鸡肉和鱼肉。但美国的一项分析表示,虽然把饮食中的饱和脂肪换成不饱和脂肪能够降低胆固醇水平,但是死于心脏病的风险并不一定会因此而降低,甚至可能会增加。研究人员对一项包含了近万名受试者的研究结果重新进行了分析。该研究包含有两组受试者, In recent years, criticism of animal fat has never ceased, lard, butter became the culprit caused by heart disease and stroke, people also have the kitchen animal oil into a vegetable oil such as rapeseed oil, olive oil, the board The pork is replaced by chicken and fish. However, an analysis in the United States said that while replacing saturated fats with unsaturated fats in the diet can lower cholesterol levels, the risk of dying from heart disease may not necessarily be reduced or even increased. Researchers analyzed the results of a study of nearly 10,000 subjects. The study included two groups of subjects,