What if we could uncover insights into autism years before symptoms typically appear—sometimes as early as one month of age—through something as simple as a single strand of hair? This session will explore groundbreaking advances in non-invasive screening methods that decode molecular patterns in hair to identify a first-of-its-kind biomarker for autism. By enabling earlier recognition of developmental differences, these innovations open the door to timely interventions shown to improve IQ, language, and social skills during the brain’s most critical growth phases—well before the average U.S. diagnosis at age 4. Drawing on decades of scientific research, this discussion will highlight how these discoveries can reduce uncertainty for families and why equitable access is essential to ensure all children, regardless of background, can benefit.