Review of 46 human studies links prenatal acetaminophen to higher ADHD/ASD risk; evidence is heterogeneous; cohort effect sizes are generally modest but larger in some biomarker studies; authors advise cautious, short‑term use under medical guidance.
Prenatal chlorpyrifos associated with magnetic resonance imaging changes, hypoperfusion, and motor slowing—without age/sex moderation, mediation, or connectivity effects.
Using national registry data, researchers observe that ADHD drug treatment is linked to lower rates of suicidal behaviours, substance misuse, transport accidents, and criminality in routine clinical settings over two years.