Expert (IMAGE) MediaSource Caption Dr. Garth Essig led a study at The Ohio State University Wexner Medical Center that looked beyond breed to assess which dogs are most likely to bite and cause serious injuries. The study also looked at physical characteristics like weight and head shape. Credit The Ohio State University Wexner Medical Center Usage Restrictions All multimedia is available for free and unrestricted media use with a courtesy to The Ohio State University Wexner Medical Center. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.