On May 15th, 2025, 15-year-old students (9th grade) from Colégio Sagrado Coração de Maria in Lisbon participated in a special session of the United Nations Junior Model Meeting, focused on Goal 3: Health and Well-being. Miguel Castanho led the event, which featured the inspiring question, “If you were a scientist, what would you change in the world?”, encouraging young people to reflect on the impact of science in improving global health and community well-being.