Multiple Choice
What does Fries (2006) conclude based on a "squaring" or "rectangularization" of the survival curve?
A) Modern populations can surpass their predicted life expectancy.
B) The near elimination of chronic diseases such as smallpox and polio has doubled the life span of humans.
C) By 2020 there will be more than twice the number of seniors predicted by most demographers.
D) Morbidity is postponed and compressed into fewer years in those with good health habits.
Correct Answer:

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