What is suicide? Why are people taking their own lives? Can this be counteracted in any way? Similar questions arise in many parts of the world. These doubts are independent of our religious experience, social norms and applicable legal rules. Doctors, psychologists, sociologists and other specialists are wondering what the cause of suicide is. It can be a mental illness. Dramatic situations leading to a nervous breakdown can also have a significant impact. Is suicide something bad? Is a sin an attempt on your own life? Will there be any punishment for the suicide? These questions are still valid. For Christians, an attempt on their own lives is an act against God. God is life-giving for them. Only he has the right to collect them. In this sense, suicide is a moral evil. Will this assessment always be accurate? Is authorized psychiatric treatment for people wanting to kill themselves? Is it possible to treat a man who does not want to live? When we treat disorders, do we take away the desire to die? Suicide is a phenomenon that is still a mystery. It also provokes many questions. The following text will attempt to answer them. The basis for the author's further reflection will be primarily Polish experiences related to the protection of mental health