All of the following are considered variable-rate theories of aging EXCEPT
A) programmed senescence theory
B) wear-and-tear theory
C) free-radical theory
D) autoimmune theory

Question

Quizplus · Accepted Answer

Programmed senescence theory is not a variable-rate theory of aging; it suggests that aging is the result of the body following a biological timetable, potentially regulated by changes in gene expression that affect the system's ability to respond to environmental challenges. Variable-rate theories, on the other hand, propose that aging results from random, environmental, and external factors that cause damage at various rates, such as wear-and-tear, free radicals, and autoimmune responses.

All of the Following Are Considered Variable-Rate Theories of Aging