In which zone does the environmental factor have a detrimental effect on the body?

First, let’s find out what the environmental factor is. An environmental factor is a phenomenon that acts on the human body through the components of the external environment. There are several forms of this factor: anthropogenic, biotic and abiotic. The anthropogenic factor, as a rule, is created by man (factories, factories) and negatively affects the life of all organisms, the biotic factor is the factor of living nature (allergens, viruses, bacteria and other microorganisms), and the abiotic factor is the factor of inanimate nature (climate, atmospheric pressure, etc.) etc.)