Why Is Internet Addiction Not Considered a Disorder

Why is Internet addiction not considered a disorder?

A) The person using the Internet may spend less time in face-to-face communication with family and friends.
B) The person does not perform usual health maintenance activities.
C) The person experiences anger when access to the Internet is not available.
D) An underlying disorder,such as depression,may be the problem,of which Internet use is only a symptom.