. >> wonden, uplifting. american lung association, we read their 2014 state of the air report and based upon epa data, here are three important facts you should know. top facts. here we go, number 38 out the top 10 areas with the most polluted ozones are in my state. a nation with over 300 million people, encouraged 148 million live in areas where air quality is unhealthy. the state of the air quality worsened, it hames over all much clean earn just a decade ago. there is that lisa. >> getting somewhere, i guess. so dib rat you are a university of rochester professor, the lead researcher on that study that may link pollution to autism and schizophrenia. were you surprised to find that this could be causing changes in our brain? >> we were surprised to find that. we didn't expect it in these studies. we are using the smallest particles of air pollution. basically we pull them in from the outside. we actually concentrate them, so it's not the rochester level of air pollution. it would be more consistent with w