Abstract
To the people who live in a village of rice-cultivating area and eat chiefly rice, soya soup and salted vegetables, the improvement of food was planned as follows;
a. To increase the production of crops which supply vitamins and minerals.
b. To encourage consumption of soya soup enriched with calcium, bread enriched with roasted soybeans, rice diet mixed with refined barley.
c. To promote the dairy production and poultry raising.
d. The co-purchasing of carrots and spinach.
Five years later, the death rate by apoplexy, pneumania, heart failure, carcinoma and enteritis had decreased remarkably. On the contrary, the death rate of the adjoining village, where no such improvement plan had been carried on, had, during the same period, increased oticeably by apolexy, carcinoma and cirrhosis
