I might be the only one that says no. Maybe it does affect me both ways but I have been able to manage the physical symtoms. I have always been a health and fitness nut. I am a little obsessive about it. My whole life I have, almost obsesively, exercised, eaten healthy, and slept on a schedule. When I am depressed or upset, I do this even more so. I tell myself that something is wrong and I have to make myself better. I almost never get sick or hurt.
I definitely have nights where I don't sleep and I definitely have a racing heart beat when I see a report about Iraq. I have times where I am very tired but I can usually push through these times when they come. I would see these more as mental symptoms anyways.