Study finds toxins may play role in kids' ADHD


Doctors at Cincinnati Children's Hospital studied national data and found children with ADHD were more likely to have been exposed to tobacco and lead.

Kids whose mothers smoked during pregnancy and those who had higher amounts of lead in their blood had more than double the risk for ADHD.

The study in the Journal Pediatrics estimates that 35 percent of ADHD diagnoses are caused by lead and tobacco.

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