“…Problem gambling is defined as a recurrent behavior characterized by loss of control and excessive preoccupation with gambling, that leads to a significant impairment in occupational and social life areas (American Psychiatric Association, 2013). The prevalence of problem gambling among adolescent males is more than two times higher than in females (Edgren, Castren, Jokela, & Salonen, 2016). Due to the range of sociodemographic (e.g., low educational level), biological (e.g., low serotonin levels) and psychosocial (e.g., high impulsivity) variables proposed as risk factors for gambling initiation (Blaszczynski & Nower, 2002;Castrén et al, 2013;Pérez Fuentes, Molero Jurado, Carrión Martínez, Mercader Rubio, & Gázquez, 2016;Topf, Yip, & Potenza, 2009), current models of addiction conceptualize gambling within a biopsychosocial perspective (Griffiths, 2005).…”