zirui song.icine at harvard medical school. doctor sonne, thank you so much. walk us through some of the key takeaways that you have. >> sure, thank you, sam, i appreciate you having me and your attention to the support and public health policy and problem. we looked at about six dozen to 500 survivors of firearm injuries, and about 12 dozen of the family members from one year before the firearm injury to one year after. these are all firearm injuries not fatal. we found that in the first year, survivors of non fatal firearm injuries had a 50 cent per cent increase emitter of disorders and substance abuse disorders. their family members were also not unscathed, despite not being shot themselves, that remembers of survivors experience a top isn't a gruesome at the heart disorders that was sustained to the first year. >> quickly, the definition of a firearm injury in this case is what, getting hit by a bullet? or something different than that? >> my colleagues and i looked at both intentional and u

zirui song, the associate professor of health care policy and medicine at harvard medical school.u, sam, i appreciate you having me and your attention to this very important public policy and public health problem. we looked at about the 605,000 survivors of firearm injuries and 12,000 other family members from one year before the fire arm injury to one year after. these were all firearm injuries that were non fatal. we found that in the first year, survivors of non fatal firearm injuries had a 50% increase of mental health disorders, 85% increase of substance use order and 45% of pain. defense members were not on skate, despite not being shot themselves. that the members of survivors experience they told percent increase in mental health disorders that were stained through the first year. >> quickly, the definition of firearm injury in this case is what, in grazed by a bullet? or is it something different? >> my colleagues and i looked up both intentional and unintentional firearm injuries, which include police shootings, accidental firearm injuries in the home, homicides, suicid