“…Identified studies for inclusion in this review are empirically tested, randomly assigned Internet interventions in which a treatment had been developed and operationalized specifically for Web delivery. Tested Internet interventions (see Table 1) include those for smoking cessation (Schneider, Walter, & O' Donnell, 1990), weight loss (Tate, Wing, & Winett, 2001; Winett et al, 1999), headaches (Ström, Pettersson, & Andersson, 2000), body image (Celio et al, 2000; Winzelberg et al, 2000), posttraumatic stress and pathological grief (Lange, van de Ven, Schrieken, & Emmelkamp, 2001), physical activity (McKay, King, Eakin, Seeley, & Glasgow, 2001), panic disorder (Klein & Richards, 2001), tinnitus (Andersson, Strömgren, Ström, & Lyttkens, 2002), diabetes management (McKay, Glasgow, Feil, Boles, & Barrera, 2002), and pediatric encopresis (Ritterband et al, 2003). These studies all focus on behavioral medicine/health psychology issues, which seem to be more adaptable to Internet interventions (Childress & Asamen, 1998) because of the availability of highly structured treatment approaches to many problems…”