The document summarizes key points from a meeting discussing emerging data on adolescent health based on an article in The Lancet. It notes that while adolescence is a major period of development and health determinant, data is often not disaggregated and there is no common framework. Researchers are asking how to determine core health indicators, understand the current data picture, and measure adolescent health. The meeting reviewed findings on adolescent mortality causes, key data sources, theme coverage gaps, and early childbearing statistics. It calls for establishing core indicators, harmonizing measures, broadening data systems, and increasing focus on neglected health areas like mental health.