In today's episode of "As The Dairy Churns," we go back 50 years as Mom serves her family whole milk and puts the butter dish on the table at every meal. We see Mom turn gray and her children grow into adults. This next generation learns that fat is bad and shops instead for nonfat or low-fat versions of their favorite foods. Now the world turns to the present day, and researchers have concluded that saturated fat in dairy foods and beverages might have a prophylactic effect on heart health. Mom's granddaughter, now a mother herself, sets the butter dish on the dinner table, and so the dairy churns. As dairy science has evolved, so have recommendations about what constitutes a healthy diet. Attitudes about salt, sugar, vitamins, protein and portion sizes have changed. Enter the U.S. Food and Drug Administration, which is revising its rules for food labeling, including nutrition facts and serving sizes.
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机译：在今天的“作为乳业搅局”一集中，我们可以追溯到50年前，妈妈为她的家人提供全脂牛奶，并且每顿饭都将黄油碟放在桌子上。我们看到妈妈变灰了，她的孩子长大了。下一代了解到脂肪是有害的，他们购买了自己喜欢的食物的脱脂或低脂版本。现在世界转向了今天，研究人员得出结论，乳制品和饮料中的饱和脂肪可能对心脏健康有预防作用。妈妈的孙女现在是母亲，将黄油放在餐桌上，乳制品搅动。随着乳业科学的发展，关于什么构成健康饮食的建议也越来越多。关于盐，糖，维生素，蛋白质和份量的态度已经改变。进入美国食品药品监督管理局（US Food and Drug Administration），该机构正在修改其食品标签规定，包括营养成分和份量。
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