The field of genetics is a complex science that examines the relationships between biological inheritance and various diseases. Many tend to think that genetic information automatically determines the future and the likelihood of disease development; however, this is not entirely true. Research shows that genetic predispositions are not the same as fate. Significant differences exist, especially in chronic diseases such as asthma, between predisposition and the actual manifestation of the disease. Asthma prevalence Asthma is becoming increasingly common, particularly among children. Recently, the incidence of the disease has significantly increased, making it one of the most prevalent childhood illnesses in Hungary. This typically chronic inflammatory lung disease involves numerous immunological…