 For years, he continued to think his own plan of adding "nonfat milk solids, brewer's yeast, and wheat and corn germs" was superior to the plan as enacted.As he became a public figure, McCollum often gave lectures, some of which were mentioned in the press.In 1932 he told the New York Academy of Medicine that, when mother rats were deprived of vitaminB, their young were about "half as quick in mental alertness" as young rats whose mothers were not deprived of vitaminB.