The aging process has been a matter of interest and a subject of research for centuries. This research has established a(n) _______.

Question

Quizplus · Accepted Answer

There is no single theory of aging that has been empirically documented, but rather a diversity of current propositions about the aging process, most supported by some empirical evidence. There is also no unified theory of aging at the cellular level, and while there are primary theories of aging, the evidence for each is diverse and not conclusive.

The Aging Process Has Been a Matter of Interest and a Subject