School Lunch and Body Size in Japanese Junior High School Students: The Japanese National Health and Nutrition Survey.

: Although the school lunch program is expected to reduce obesity and underweight among children in Japan, there had been no individual-level study examining the impact of school lunch on body size (overweight or underweight). The present study examined the association between school lunch and body size in Japanese junior high school students. : This cross-sectional study was conducted based on data from the Japanese National Health and Nutrition Survey in 2014 and 2018.

Japanese Diet Indices and Nutrient Density in US Adults: A Cross-Sectional Analysis with NHANES Data.

Background: Previous studies have shown that Japanese dietary patterns are associated with high nutrient density. However, these studies were limited to the Japanese population. We examined this association in the US population.