Which Are Factors That Have Led to the Decrease in Mortality

Which are factors that have led to the decrease in mortality of some cancers? (Select all that apply.)

A) An increase in mortality rate among other cancers
B) Early detection through emphasis on routine screening
C) Fewer sexual partners with emphasis on monogamy
D) An increased awareness of influence of lifestyle choices
E) Legislation such as the Clean Air Act
F) A decrease in tobacco use and smoking among women