Prof. George Vithoulkas discusses very important topics including homeoprophylaxis (homeopathic prophylaxis-the use of homeopathic medicines for prevention of diseases), conventional vaccinations and their side-effects, AIDS, HPV, various misconceptions concerning the use of homeopathic remedies (including Arnica), epidemics, proper conduction of provings, the theory of levels of health and the importance of fever, chronic and infectious diseases.