A Nutrient-Driven Balancing Act: How Serine Tunes Stem Cell Fate in Skin Repair Novak et al., 2025, Cell Metabolism ⚖️ Serine, Stress, and Skin: A New Paradigm What if a single non-essential amino acid could pivot stem cells from regenerating hair to healing wounds? A striking new study from Elaine Fuchs’ group at Rockefeller University... Continue Reading →