“…[1][2][3][4] The individuals with Internet addiction show behavioral problems in Internet use or excessive Internet usage, and they experience various psychiatric symptoms such as depressive mood or anxiety. 5,6 Internet addiction has been categorized as a behavioral addiction, because it includes several features that are characteristic of addictions, such as preoccupation, mood changes, tolerance, withdrawal, and functional impairment. 7 Additionally, Young 1 and Beard and Wolf 8 have suggested that Internet addiction is a disorder involving, or at least related to, poor impulse control.…”