Changing food patterns.
D003677:Deficiency Diseases / Q000209:etiology; D005247:Feeding Behavior; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality; D007564:Japan; D008017:Life Expectancy; D008297:Male; D052756:Nutritional Sciences / Q000193:education / Q000266:history*; D012275:Oryza; D014908:Triticum; D014857:Warfare