Cheese slices are considered junk food. According to relevant public information, cheese slices usually contain high amounts of fat, salt and calories and lack nutritional value, making them junk food. Junk food refers to food that only provides some calories and no other nutrients, or food that provides more than the human body needs and becomes redundant ingredients. Although cheese slices contain some calcium and vitamin D, they also contain high amounts of trans fatty acids and additives that can increase cholesterol levels in the body and increase the risk of heart disease and other health problems.