Critical enzyme deficiency impairs milk fat production and newborn growth

Newborns fed milk deficient in SCD1-dependent monounsaturated fatty acids exhibited lower body weights and failed to thrive despite adequate nursing.

In the quiet intimacy of nursing, a newborn's survival depends not merely on the presence of milk but on its invisible architecture — the precise chemistry of fats that sustain growth. Researchers at the University of Wisconsin–Madison and Johns Hopkins have found that a single enzyme, SCD1, is indispensable to that architecture, converting saturated fats into the monounsaturated forms that infant bodies require to thrive. Its absence, even when milk flows freely, leaves newborns unable to grow — a reminder that nourishment is not only a matter of quantity, but of molecular composition. The di

Critical enzyme deficiency impairs milk fat production and newborn growth

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