Vox Rationis - 

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1979

Hassle-Free – Foundation diet

Number of food groups	Protein-rich foodsMilk/meat	breads	Vegetables/fruit	Other (incl fats)
5	Milk-cheese group- 2(1 cup, 1 1/2 oz. cheese)Meat, poultry, fish,and beans group- 2(2-3 oz. svg)	Bread-cereal group- 4(1 oz. dry, 1 slice,1/2 to 3/4 cup cooked)	Vegetable-fruit group- 4(incl. vit. C source daily anddark green/yellow veg. frequently1/2 cup or typical portion)	Fats, sweets, alcohol. Use dependent on calorie needs

Source: USDA, Human Nutrition Information Service, 1993 [cited in G:Davis, C. & Saltos, E. (1999) Dietary Recommendations and How They Have Changed Over Time. In America's Eating Habits: Changes and Consequences, Frazao, E. (ed) Agriculture Information Bulletin No. 750.]