From One Cell

Every person starts out as one cell, and from that single starting point the body builds itself into a structure of trillions of cells. Along the way there are countless chances for something to go wrong, yet the process almost always succeeds, so smoothly that it rarely gets noticed. Ben Stanger, a physician and researcher, turns his attention to this hidden stage of life.

The book follows the scientists who have been working to explain development, using experiments that are both meticulous and inventive. It takes up the central puzzles of the field: how a single origin gives rise to the many tissues of the body, including skin, bone, blood, and muscle; how cells that carry the same genetic instructions end up becoming such different things; and whether a cell that has begun down one path can later switch to another or whether its fate is fixed.

Stanger argues that these questions have direct medical stakes. Tumors can be understood as distorted versions of embryonic growth, which may point toward more precisely targeted cancer treatments. Learning how cells settle on their identities and locate themselves within the body could advance regenerative medicine, and the same knowledge bears on cognitive decline and degenerative diseases.

Written for general readers, the book is popular science that aims to show what we have learned about how our bodies come into being and why that understanding matters.