Many of the convenience foods on the market today, like dry cereals, have less nutrients than natural foods, which were dominant a decade or two ago. Many nutritionists claim that dry cereal gives less nourishment than natural foods like eggs or bacon. Opponents of the nutritionists views state that examination of grade-school students show less nutritional deficiency than in their parents time.
Which of the following, if true, would tend to strengthen the opponents view ?
