
Stem Cell Senescence: The Aging Process Hiding Inside Your Own Repair System
A comprehensive review published in 2026 in Frontiers in Cell and Developmental Biology brings together the current science on a process that gets far less attention than it deserves: the aging of the body’s own stem cells. Every tissue depends on a small resident population of stem cells to maintain itself throughout life — and the review’s central point is that this population doesn’t simply sit in reserve as we