The Biological Reality of Low Milk Supply

For many new mothers, breastfeeding is presented as something natural and instinctive—a process expected to work with enough effort, patience, and perseverance. But emerging research is challenging that assumption, revealing that low milk supply may often stem not from behavior, but from biology itself. In this episode, we explore the evolving science behind lactation, tracing how researchers are uncovering the cellular and hormonal mechanisms that can limit milk production for millions of women. From genetic factors and placental health to chronic inflammation and metabolic conditions, we examine why the body sometimes struggles to produce enough nourishment despite a mother’s best efforts. The story reveals a major shift in understanding—one that moves the conversation away from blame and toward medical insight, offering the possibility of better diagnostics, targeted treatments, and a more compassionate approach to early parenthood.https://www.economist.com/science-and-technology/2026/05/12/why-many-women-cannot-make-enough-breast-milk