From top: Amber-Ray Davidson, a student at Johns Hopkins Bloomberg School of Public Health in Baltimore, calls Annual Meeting attendees to action on a hand speaker for the Monday Mile Walking Group. Upcoming walks start at the Wellness Center on Tuesday at 7:30 a.m. and 4:30 p.m. Attendees snap a picture at the giant Annual Meeting flames in the Pennsylvania Convention Center; attendees chat during the Monday Morning Early-Career Professionals Workshop; and attendees take advantage of Wellness Center yoga and games. (Photos by Michele Late and Mark Barna, courtesy The Nation's Health)