More Than Sad: Teen Mental Health Enhancement Lesson 2019 Curriculum. 1 in 5 U.S. adolescents aged 13-18 have experienced a serious mental health disorder 1.Suicide is the 2nd leading cause of death in young people aged 10-24 2.. More Than Sad is a 45 minute enhancement lesson designed for delivery by D.A.R.E. Officers to High School students, ideally in 9th or 10th grade.