Health Transitions Life Expectancy (Years) Information Age 1950-1980 Life Expectancy: 67 yrs Causes of Death: Infectious Diseases, Strokes, Cancers, Other Chronic Diseases Types of Diseases: Infectious Diseases and Chronic Diseases Major Social Forces: Computers 67 1980 Industrial Age 1100A.D.- 1850 Life Expectancy: 47 yrs Causes of Death: Infectious Diseases, Injuries, Sanitation Types of Diseases: Early Onset of Chronic Diseases Major Social Forces: Industrial Work 1950 57 1850 47 Scientific Age 1850-1950 Life Expectancy: 57 yrs Causes of Death: Infectious Diseases Types of Diseases: Infectious Major Social Forces: 1st medicines were being tested 37 Hunter Gather Period 90,000-6,000 B.C. Life Expectancy: 17 yrs Causes of Death: Infectious Diseases, Animal Attacks, Starvation, Injuries Types of Diseases: Starvation Major Social Forces: Obtaining Food 1100 Agriculture Age 6,000 B.C.-1100 A.D. Life Expectancy: 37 yrs Causes of Death: Plague, Famine, Hunger Types of Diseases: Plague (sanitation) Major Social Forces: 1st Cities and Urbanization 17 90,000 6,000 B.C A.D Time Period