major cause of death (source) major cause of death couple leading causes of human death The CDC states Control of infectious diseases charts charts second leading cause of death charts on this paper charts on this paper Control of Infectious Diseases http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4829a1.htm second-leading cause of death From the CDC: leading causes of human death couple 4. Control of Infectious Diseases leading causes of human death http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4829a1.htm#fig2 CDC, Achievements in Public Health, 1900-1999 http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4829a1.htm decreased by 76.6 percent between 1900 and 1940 http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4829a1.htm From the CDC: one in three children leading causes of human death leading causes of human death leading causes of human death Control of Infectious Diseases http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4829a1.htm The CDC states From the CDC: leading causes of human death second-leading cause of death