Lessons learned from health education in Japanese schools.

We proposed measures to enhance health education in developing countries: (i) clarifying the role of health education toward achieving goals set out in laws and policies related to education; (ii) providing appropriate learning content and time allocation; (iii) establishing a comprehensive school health framework; (iv) establishing a system that continuously monitors children's health issues; (v) identifying the person responsible for health education in a school and establishing a training system; (vi) providing a teacher's guide and teaching materials to facilitate child participatory learning, and (vii) collaborating with guardians, community members, and local health workers.