Isolated increased free-triiodothyronine in medication-naïve children and adolescents with ADHD: a retrospective observational study.
Background Thyroid hormones, free triiodothyronine (free-T3) in particular, are crucial for fetal development and child growth and may influence neurodevelopmental disorders including Attention-Deficit/Hyperactivity Disorder (ADHD) in children and adolescents. Yet data are scarce and inconsistent, often relying on adul...