What is the reason for the increase in the number of diseases in large cities?

With the fact that in large cities there are much more people than in small ones, therefore, viruses spread more people. From there, and frequent diseases.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.