Anyone who seeks to enhance and stabilize their health holistically, in addition to possibly necessary medical treatment, will benefit from the insights of this training. After 29 years of practical work with patients in individual and group sessions, the exercise program is now in its 4th edition with a new design. It is intended for both professional practitioners and interested laypersons. At the same time, the author effectively summarizes the current state of research in psycho-neuro-immunology as well as the various questions in contemporary cancer research in a concise and understandable manner. The 16 topics of the training are offered to participants with various methodological approaches (e.g., discussions in small groups, movement exercises, written individual work, visualization exercises, painting or free creative expression, etc.).