In a paper published in June in PLoS Medicine, a controlled trial at three urban STD clinics, Lee Warner and colleagues found that showing an educational video in waiting rooms reduced new infections by approximately 10%. The educational video relating to this paper is provided here. Warner L, Klausner JD, Rietmeijer CA, Malotte CK, O'Donnell L, et al. (2008) Effect of a Brief Video Intervention on Incident Infection among Patients Attending Sexually Transmitted Disease Clinics . PLoS...