"Suicide Today" is a comprehensive guide that addresses one of the most pressing public health issues: suicide. Based on current data from the World Health Organization, it highlights that suicide is one of the leading causes of death in Western countries, particularly among young people. The guide explores the complex causes of suicide, which arise from an interplay of biological, psychological, and social factors. It provides a detailed analysis of self-harming behaviors, including suicide attempts and other forms of self-destructive behavior. Special attention is given to vulnerable groups such as adolescents and specific populations. The guide is aimed at healthcare professionals, psychologists, medical students, and anyone interested in the societal aspects of suicide. It offers valuable insights into risk factors, protective mechanisms, and strategies for prevention and treatment.