Rodale was already concerned with his health at this time, as he had frequent heart murmurs and had been rejected from the Army in World War I for bad eyesight. To improve his health, he read the works of Bernarr Macfadden[6] and invented an exercising device.[7] The Rodale brothers moved Rodale Manufacturing to Emmaus, Pennsylvania in 1930 to cut costs during the Depression. He founded Rodale Press in 1930, marketing books and magazines.