Theories of aging can be examined from two perspectives. Which of the following is considered one of these?
a. Natural selection theory
b. Wear and tear theory
c. Non-programmed aging theory
d. Caloric restriction theory
e. a and b
Question 2
Aging theories try to explain the mechanisms behind:
a. loss of physical resilience.
b. decreased resistance to disease.
c. physical and mental changes associated with aging.
d. All of the above