Chronic job stress, which the World Health Organization has called a "worldwide epidemic," is not the occasional aggravation of a dysfunctional copier or an annoying coworker. It's the energy-draining, psyche-straining, day-to-day mental grind that results in accidents, insomnia, irritability, fatigue, and overall lower quality of life. But work doesn't have to stress you out. There are dozens of low-stress jobs available across a wide variety of fields, according to Laurence Shatkin, career information expert and author of "150 Best Low-Stress Jobs." And the vast majority of those jobs have good growth potential and good wages as well, Shatkin tells Yahoo! HotJobs. Best Low-Stress Job for You? Reaction to stressors is idiosyncratic. Some