The Wall Street Journal does some serious investigative journalism into adults with ADHD. By serious, I mean they offer a quiz so you can self-diagnose. Go forth, hyper people!
I'm sorry but in this day and age I think the Internet has just ruined everyone's attention span and we are a nation suffering from ADHD. At this point they should just put Adderall in our water supply (funny because that's also what my doctor said about Prozac not too long ago).