Related is the criticism of governments' promotion of milk and cheese consumption, in particular the U.S. According to Daniel Imhoff and Christina Badracco (2019), since the 1970s the "subsidy programs have steadily supported an oversupply of milk. Although milk consumption has decreased over the same time span [...] Cheese is now the top source of saturated fat in the US diet, contributing almost 9 percent". All United States schools that are a part of the federally funded National School Lunch Act are required by the federal government to provide milk for all students.