【Reference】
1) Ministry of Health, Labour and Welfare The National Health and Nutrition Survey in Japan, 2019
https://www.mhlw.go.jp/stf/newpage_14156.html
2) OECD iLibrary The Heavy Burden of Obesity The Economics of Prevention
https://www.oecd-ilibrary.org/social-issues-migration-health/the-heavy-burden-of-obesity/summary/japanese_69eb163d-ja