Children from low income environments appear to have a higher risk of neurological impairment than those from more economically secure circumstances, according to researchers at the National Institutes of Health and other institutions. This neurological impairment appears to be distinct from the risk of cognitive and emotional delays known to accompany early-life poverty.

http://www.nih.gov/news-events/news-releases/poverty-may-slightly-increase-childhood-risk-neurological-impairment-nih-study-suggests