Our generation has seen unprecedented advances in electromagnetic wave technology. This is considered to be a known reflection to life progression. Thus, the issue is raised to shed light on the effects of non-ionizing radiation of the electromagnetic field (EMF) on the human body, health, rheumatic diseases, and immune system. Is there a possible link? Whether the EMF and fifth generation (5G) could also initiate or trigger the corona virus disease 2019 (COVID-19) pandemic is considered. Furthermore, the book includes guidelines and protective measures, provoked and discussed in different societies, as well. "Prevention of being ill is a corner-stone key for good health."