I hate to be this condescending but why is this not just ordinary laziness? Do we really need to go to a doctor so that we hear that we have a problem, and we might need medicine, to focus?
Isn't it more likely that a constant stream of never ending notifications and interruptions decrease our attention span to seconds? You can't read a book because you can't read an article, and you can't read and article because you read 6 line long hackernews or reddit comment that "might" contain some knowledge. Your brain evolved to adapt and it adapted to a world where everything might take your attention elsewhere. You can work to fix this.
Isn't it more likely that a constant stream of never ending notifications and interruptions decrease our attention span to seconds? You can't read a book because you can't read an article, and you can't read and article because you read 6 line long hackernews or reddit comment that "might" contain some knowledge. Your brain evolved to adapt and it adapted to a world where everything might take your attention elsewhere. You can work to fix this.