Impact of Urbanization on Diseases in Ancient Civilizations: Epidemics, Endemics, and Demo, Slides of Geology

Download Impact of Urbanization on Diseases in Ancient Civilizations: Epidemics, Endemics, and Demo and more Slides Geology in PDF only on Docsity! Epidemics And Endemics • Susceptibility to devastating epidemics due to absence of previous exposure. • Increased populations enabled some diseases to become endemic. • Adaptation between agent and host meant some diseases became relatively mild diseases of childhood. • This conferred a military advantage on urban armies which carried immunity. Docsity.com Demographics • Despite developing resistance against certain diseases, cities became much more unhealthy than rural areas. • Death rates in cities exceed birth rates. • Cities became dependent upon the migration of ‘surplus’ rural people to maintain numbers. • This continued throughout history – cities only became demographiclly self-reproducing around the beginning of the 20th century. Docsity.com CM HKG ewes 4 Sea) , fee ee Amonium, LS Bea AaNy THE ASSYRIAN EMPIRE ~ $24 to 625 B. C. = Copyright by C. S. HAMMOND & CO., N.Y. ExsSiee Rew Scale of Miles ° 50 100 200 300 Capitals... +> Assyrian Empire-671 B.C. a c Sie: {___}Assyrian Empire ~824 8.¢. ae Docsity.com Docsity.com Docsity.com