Consider looking into the symptoms and characteristics of adult ADHD, especially if you ever had episodes of hyperactivity as a child. It's probably not what's going on, but frequently switching jobs (projects) can be a flag. 9 out of 10 adults with it are undiagnosed, and treatment is very effective.
Do you think you could provide some links or references? When I read your comment, I immediately thing of overdiagnosing condition these days. I only ask because I Think a lot of people in my generation (I guess that's Gen Y?) jump to the "ADHD" or genuinely think they have something wrong with them, when they are completely normal.
http://add-adhd.lifetips.com/tip/81525/adult-add-adhd/adult-...