Using gun violence research to prevent injuries, deaths by Advancing Health published on 2020-02-18T18:41:06Z On this Advancing Health podcast from AHA’s Hospitals Against Violence initiative, Megan Ranney, M.D., co-founder and chief research officer of AFFIRM (American Foundation for Firearm Injury Reduction in Medicine) www.affirmresearch.org, talks about the importance of research and a public health approach to help end firearm violence.