A small neuroimaging study suggests prenatal exposure to polycyclic aromatic hydrocarbons (PAHs), the toxic air pollution caused in part by vehicle emissions, coal burning and smoking, may be bad for children’s brains and may contribute to slower processing speeds and behavioural problems, including attention-deficit-hyperactivity-disorder (ADHD) symptoms, according to researchers from Children’s Hospital Los Angeles.  The study is published in JAMA Psychiatry. The team explain that … Continue reading Neuroimaging study links prenatal air pollution exposure to impaired neurodevelopment.