Increases in life expectancy in Canada during the twentieth century were due primarily to
A) the control of childhood and infectious diseases.
B) increased use of vitamin supplements.
C) the defeat of chronic illness.
D) the fitness boom.

Question

Quizplus · Accepted Answer

The control of childhood and infectious diseases through vaccinations and other public health measures was the primary factor in the increase of life expectancy in Canada during the twentieth century. Vitamin supplements, the defeat of chronic illness, and the fitness boom may have contributed to overall health and wellness, but they were not the primary drivers of increased life expectancy.

Increases in Life Expectancy in Canada During the Twentieth Century