in conclusion,lack of communication,environmental conditions,and personal issues are significant causes why teenagers commit suicide.Parents,psychotherapist and health care staff could help in reducing the risk factors pf teenage suicide.The parents should start to talk with them and also accept their thinking while psychotherapists and health care staff could help to motivate teenagers and eliminating their risk factors,although there are several ways to prevent suicide .But the easiest ways is that everyone cares about them closely.