(Left to right) David Bangsberg M.D., M.P.H. looks on as Cameron Foster, Israel Bayer and Ryan Deibert, M.P.H. answer questions from the crowd during the OHSU-PSU School of Public Health's Public Health Portland Style forum, May, 18, 2017 at the Lucky Lab in Portland. The topic of the forum focused factors that contribute to and impact Portland's homeless population. (OHSU/Kristyna Wentz-Graff)