Prince of Happiness said:
It's one of things that everybody has all of a sudden, like fibromalgyia and hypo-glycemia.
When you say, " ....all of a sudden," do you mean it's the latest fad in illness, or that it comes upon one abruptly and without warning?
I am curious, because ADD, which has plagued me all of my life, but which I only became aware of about six years ago, is called one of these "fads", and has been--tenuously--linked to autism.
Anyway, I have been a gamer for a very long time. I am not of the opinion that all gamers are true escapists, because many of them that I know have lives, families, and interact with what is called "reality" in most places I have been. Having said that, any act in which a person pretends to be something that they are not is either a deception or an escape.
Gaming attracts a cross-section of people, just like every other interest. You might just as well ask, "How many football players are prone to anger-control issues?", because the answer would be about the same.
Had a bad day? Make a fighter, go kill sumpn'.
Like to be in control? DM!
Lacking mystery in your life? Make a wizard. Cast magic.
Read a book.
Go to a movie.
All of these things are valid escapes. I say valid, because everyone needs them, whether they are obsessive or otherwise.
It's called recreation for a reason: It RE-CREATES you.