Detailed text transcripts for TV channel - MSNBC - 20170531:17:39:00
Shut. >> reporter: the child has been here to the doctor over 50 times. the doctor says she sees cases like his every day. >> there you go. >> we did it. good job. >> reporter: so doctor, what do we got going on here? >> well, brently is kind of typical of a lot of kids i see. parents said they've never been as sick as when they lived here. for 20 years, i could give you a geographical boundary of the snot zone. it corresponded literally to the zone of the concentration of power plants in the midwest. >> reporter: studies have made a direct connection between air quality and infant mortality. ...