“…Studies of HWLs in young adults show that graphic HWLs are more effective than text-only warnings at garnering attention, communicating risk, and discouraging smoking (O'Hegarty, Pederson, Yenokyan, Nelson, & Wortley, 2007). Youth and young adult nonsmokers report that graphic HWLs would dissuade them from experimentation with cigarettes and perceive that graphic HWLs would be an effective intervention for prevention, cessation, and relapse prevention (O'Hegarty et al, 2006;Vardavas, Connolly, Karamanolis, & Kafatos, 2009).…”