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Dr. John Harvey Kellogg was a man of stringent dietary beliefs. He promoted a bland, vegetarian diet, claiming that such foods were the most healthful. His emphasis on chewing food extensively stemmed from a contemporary dietary approach called "fletcherism," which prescribed thorough mastication as vital for digestion. Ultimately, this philosophy informed the birth of Corn Flakes, intended as a means to encourage chewing and address common ailments like indigestion.