n this 17th issue, the basic health indicators are presented in 12 sections. Sections 1-3 address indicators of “Health of Thai Adolescents and Youth,” which are discussed across physical, mental and social health dimensions. Sections 4-8 discuss behavioral health related to food consumption. Sections 9-11 discuss physical activity, sexual behavior, and potential health and social risk behaviors. There is discussion of environmental health determinants, online media, family, education and work. Finally, Section 12 summarizes Thai policies for health of teenagers and youth. In this report, “teenagers and youth” covers the population between the ages 10-24 years.

As for health milestones during the year, 10 important stories were selected which occurred in the past year. For example, the air pollution problem (PM2.5) has intensified every year, but especially in the past year. The fight continued to ban three toxic pesticides that are not easy to defeat. There is growing prevalence of clinical depression in youth and adolescent. There have been new advances in policy on medical marijuana use that continued since 2018. There is increased popularity of e-sports, and online games. This volume then showcases four health achievements during the year.