Internet addiction is defined as any online-related, compulsive behavior which interferes with normal living and causes severe stress on family, friends, loved ones, and one's work environment. Internet addiction has been called Internet dependency and Internet compulsivity.
It is the compulsive nature of the behavior that is often indicative of a behavioral addiction, or process addiction, in an individual. The compulsion to continually engage in an activity or behavior despite the negative impact on the person’s ability to remain mentally and/or physically healthy and functional in the home and community defines behavioral addiction