to weigh in on this very common practice with police departments all over this country is dr john dombrowski he's c.e.o. of the washington pain center right here in the district dr thank you for joining us today as we just heard in natasha's report there lung damage blindness miscarriage heart failure even death can result from this supposedly non-lethal device it's no wonder that a judge in columbus ohio this week issued a court order for police to cease use of pepper spray at least in nonviolent protesters there's wiggle room in the language for when demonstrations turn into riots but as a health care professional do you do do these new findings about pepper spray cause you any concern. of course if you let me know that oh yes it's nice you know our hotel because it does cause concern you know there has to be a balance here we sort of believe in you know just the 1st. expression of your age and protest is always good but we're becomes violent then we need to have something to quell the violence of in a lot of use of the stores are not left with other chores where they've been thrown about