We usually think of ADHD as behavioral. But what if some of the earliest signals weren’t behavioral at all? In this Research Recap, we break down a large population-based study examining pain-related diagnoses in children before they were diagnosed with ADHD. Researchers looked at over 700,000 medical records to ask a simple question: Were children later diagnosed with ADHD already showing higher rates of pain-related medical visits? The association was clear. The explanation is not. No fear-...