Kendra K. Kattelmann, PhD, RD, talks about the collaboration of researchers from 14 institutions to develop a tailored, theory-based, web-delivered course to prevent excessive weight gain in young adults and promote healthy decision making. The resulting course, Project YEAH (Young Adults Eating and Active for Health), represents an intervention that pilot-test college student participants found relevant and useful, gained participants' attention, instilled confidence in participants' ability to apply the information gained, and provided a sense of satisfaction.