You can try one of those breathing exercises. There's the Student Health Center, a place I don't trust for my own reasons, but you could look into it. Finding a resolve is time consuming, but it's cheaper than the results of anger. Aside from the above effects, anger can make you lose your job. And it could lead to death or suicide.
Anger is also a leading cause in ending relationships.
Express yourself carefully. Don't get pissed. Besides, if I let my anger out at Mr. Bad Example and Sir Lustalot for trash-talking my ass again, I doubt they'd take hugs and roses.