Mental disorders significantly impact youth aged 10-14 in Singapore: Lancet study SINGAPORE - Mental disorders are the leading cause of disability and death among 10- to 14-year-olds in Singapore, while the impact of mental distress on population health here is the highest in Asean, according to a new paper published in the medical journal Lancet Public Health on May 28. Read more: https://www.straitstimes.com/singapore/health/lancet-study-shows-mental-disorders-significantly-impact-youth-aged-10-14-in-singapore