Public health in Turkey's Interwar Period focused on children. Social redefinition of body since late 18th century influenced health policies. Positivism transformed health into nation-building and citizenship
China's population share in world has average of 26%, ranging from 16% to 33%. Han Empire reached 50.6 million people in 156 AD. Population grew fourfold from 1250 to 1900 with peace and irrigation. Qing Dynasty saw population reach 450 million by 1850