Images suggest childhood lead exposure linked to faulty brain wiring.
http://www.environmentalhealthnews.org/ehs/newscience/childhood-lead-exposure-can-permanently-rewire-brain/
"Exposure to low to moderate levels of lead before birth and as a child can permanently change the brain's structure in a way that may alter if and how it transmits messages, a new study finds. The conclusions are based upon comparisons of images of the brain's nerves and their protective coverings - collectively called white matter."
http://www.environmentalhealthnews.org/ehs/newscience/childhood-lead-exposure-can-permanently-rewire-brain/
"Exposure to low to moderate levels of lead before birth and as a child can permanently change the brain's structure in a way that may alter if and how it transmits messages, a new study finds. The conclusions are based upon comparisons of images of the brain's nerves and their protective coverings - collectively called white matter."