Wake Forest University School of Medicine May 28 2026 A new study from Wake Forest University School of Medicine suggests a routine heart test – an electrocardiogram (ECG) – may offer researchers a new way to measure biological development in children and adolescents.  The findings were published in a study in European Heart Journal - Digital Health.  Pediatric researchers often lack reliable measures of pubertal stage or hormone levels in large datasets, forcing them to rely on broad sex-based