“…Third, the same molecular pathways (e.g., dopaminergic) that operate in substance addictions are implicated in internet addiction (Hou, Jia, Hu, Fan, Sun, Sun, & Zhang, 2012;Shaffer et al, 2004;Tian et al, 2014). Although the question of whether internet addiction should be recognized as an addictive disorder is still sometimes debated (Cash, Rae, Steel, & Winkler, 2012;Pies, 2009;Ryding & Kaye, 2018), here we adopt the emerging consensus that compulsive and excessive use of the internet is as much a true addiction as a substance addiction (Aboujaoude, 2010;Grant et al, 2010;Hammond, Mayes, & Potenza, 2014;Kuss & Griffiths, 2012;Shaw & Black, 2008;Spada, 2014;Weinstein & Lejoyeux, 2010;Young, 1998b).…”