Life‐history theory concerns the trade‐offs that mold the patterns of investment by animals
between reproduction, growth, and survival. It is widely recognized that physiology plays a
role in the mediation of life‐history trade‐offs, but the details remain obscure. As life‐history
theory concerns aspects of investment in the soma that influence survival, understanding the
physiological basis of life histories is related, but not identical, to understanding the process
of aging. One idea from the field of aging that has gained considerable traction in the area of …