The subtle radiation energy and its influence on our lives and health. We are surrounded by subtle radiation energy that often negatively impacts our health. Little is known about it, and even fewer devices exist that can help us avoid these influences. Otto Höpfner introduces us to the possibilities of subtle radiation energy and shows us how we can utilize it for our benefit. He clearly explains the impact this energy has on humans and the means and effective devices that anyone can use positively. With effective and targeted application, it is possible to detect and neutralize disturbance zones, eliminate harmful earth rays, detoxify water and food, and improve allergies. Höpfner's practical guidelines assist anyone health-conscious in enhancing their life.