News for Healthier Living
New Research Sheds Light on Why Eczema So Often Begins in Childhood
A team of researchers at the Icahn School of Medicine at Mount Sinai, Weill Cornell Medicine, and other institutions have uncovered a key biological explanation for why eczema so often starts in childhood. The study, in young mice, found that some types of immune cells in early-life skin are more reactive than those in adults, a difference that may help explain why children are more vulnerable to inflammation and allergic skin disease.
The findings suggest that early childhood represents a critical window for immune-driven skin disease and may shed light on why eczema is often the first condition in a broader pattern of allergic disease. They were reported in the February 25 online issue of Nature [DOI: 10.1038/s41586-026-10162-x].
February 25, 2026
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