“…In public health, information campaigns have been used to promote safer sexual practices (Alstead et al, 1999), regular monitoring of health (Black et al, 2002; Fender et al, 1999), cessation of smoking (Farrelly et al, 2002; Siegel and Beiner, 2000), and reduction in transmission of infectious diseases (Preston, 1996). Nutrition labels on food products aim to motivate appropriate choice in one’s diet (some relatively recent examples are Harnack and French, 2008; Downs et al, 2009; and Wisdom et.…”