January 1, 1917
Diabetic Cookery is published and provides guidelines to eat animal products while avoiding carbohydrates.
Diabetic Cookery: Recipes and Menus
"Diabetic Cookery: Recipes and Menus" by Rebbeca W. Oppenheimer
Valuable foods: Butter, cheese, meat, poultry, fish, eggs.
Foods STRICTLY FORBIDDEN: sugars, starches, pies, puddings, flour, bread, rice, barley, oatmeal, beets, onions, fruits, honey, sweet alcohols