According to sociologist Gideon Sjoberg, there are prerequisites for the development of the population growth in a city: First, good environment with fresh water and favorable climate; second, advanced technology; and third, strong social organization (Griffiths et al., 2017). The technological increases happened over the time and for that food supply increased at an exponential rate (Griffiths et al., 2017). The new development of the medicine that has come along and presently it is working as a savior.