Banter and General Comments, page-3896

Taken from the site you posted.

"There is robust evidence that childhood exposure to these specific air pollutants is related to decreased lung growth and permanent decrements in pulmonary function as well as increases in respiratory infection, asthma, infant and all age mortality, miscarriages, preterm and low birth weight births. Mercury, which comes from burning coal, also ends up in the food chain and threatens the development of the brain and nervous system."