As this news article reports, the World Health Organization recently named stress as the number one work hazard worldwide. If the nature of your profession causes you to feel an undue amount of anxiety, you should address the matter by depressurizing the workplace.
This can be accomplished by doing simple things such as using part of your lunch break to walk around the block and spending a few minutes controlling your breathing after you encounter a particularly stressful situation.
Read the full article here: http://www.wsaw.com/content/news/The-Doctor-Is-In-Stress-a-major-workplace-hazard-382359811.html