“…This notion is supported by the fact that some individuals develop the same kind of symptoms seen in substance-related addictions (i.e., salience, euphoria, tolerance, withdrawal, conflict, and relapse) when they engage in repetitive behaviors. Behavioral addiction is therefore defined as addictive patterns of behavior that occur in the absence of an addictive substance (Albrecht, Kirschner, & Grüsser, 2007) and include gambling (Griffiths, 1990;Griffiths, 1996), exercise (Berczik et al, 2012;Warner & Griffiths, 2006), video-game play (Chappell, Eatough, Davies, & Griffiths, 2006;Hussain, Griffiths, & Baguley, 2012), and Internet addiction (Griffiths, 1999;2000), among others.…”