Comment by unishark

Their definition was generally using the word "harmful" for which smoking clearly qualifies. Losing one's job was just one example how something can be harmful.

The definition of psychiatric disorders includes this kind of requirement. E.g. if you can't sleep more than a couple hours with no apparent negative effects, it's not a sleep disorder. On the other hand if this situation is unbearable for you and you feel you need to sleep more but can't, then you have a sleep disorder.

But yes I'd think this is a pretty loose definition that would include things like social media. Personally I think more is needed. Is that social media addict a depressed person who would just escape from life via an alternative means like by watching TV or something else? If so we should call their problem depression, and call social media simply an "escape" not an addictive behavior.