This book has brought together two systems research from different areas: Helm Stierlin, an expert on family systemic therapy, and Ronald Grossarth-Maticek epidemiologist systemic orientation. From the combination of both have been important advances in research on risk factors for mental, physical and social that can lead to serious diseases, such as cancer. Among other things, the authors draw on results from prospective studies of Grossarth-Maticek intervention performed, along with his team, for over thirty years and pursuing better understand what factors contribute to the development of certain diseases in order to prevent them. The studies consisted of collecting a large amount of data on 35,000 people at the time of initiation, did not have cancer or other serious illnesses. Furthermore, these people chose randomly between two groups at high risk of getting cancer: one of them underwent experimental interventions as preventive treatments (brief therapy), whereas in the control group did not intervene. A After 15-20 years, the results were striking: in the group who had received preventive treatment became ill significantly fewer people than in the untreated control group. This book is innovative in terms of methodology, but also have great importance for the theory and practice. It is aimed not only to doctors, therapists and scientists, but also to contemporary you want to know how to prevent or overcome possible disease that has already been said. Psychologists, psychotherapists and students of psychology, especially in the field of therapy systemic and family with cancer patients and people around them. General public interested in prevention of serious diseases.