My goal is to find out why people become ill. The author and experienced alternative practitioner shares insights from her fifteen years of daily practice with bioresonance according to Paul Schmidt. Her intention lies in identifying the causes of illnesses triggered by geopathic disturbances, microorganisms, electro-smog exposure, and environmental toxins, analyzed on an energetic basis. With numerous examples and selected cases from her daily practice, she explains in detail the significant impact of these disturbances on our health and describes her findings, which she has acquired using a specially developed test set. This is a very educational specialist book for therapists who wish to deepen their understanding of this cause-oriented approach.