Executive summary The overall body of evidence supports an association between childhood lead exposure and ADHD diagnosis and/or ADHD-related symptom domains. The most consistent links are with hyperactivity, impulsivity, and broader externalising behavioural dysregulation. That does not mean lead is…

Lead exposure in children rarely announces itself. There is usually no illness to observe, no symptom to report, and no moment at which a parent or a doctor would think to investigate. The harm that concerns public health bodies today…