A new survey has revealed the most and least stressful jobs of 2013. According to jobs site CareerCast.com, being a full-time university professor is the least stressul job for the New Year. It’s the first time that career won the title in the site’s 20-year history of evaluating jobs. Unsurprisingly, jobs in the military topped the list as the most stressful jobs of 2013. CareerCast.com assessed 200 different careers using criteria that included 11 stress factors like travel, job outlook, deadlines, working in the public eye, competitiveness, physical demands, environmental conditions, hazards encountered, own life at risk, life of another at risk, and meeting the public.