Six High-Stress Job

1. Retail Salespersons

Why: Jobs in sales require you to convince customers to spend money. Customers don't necessarily want to spend money and even if they do, they have a variety of places to shop. Salespeople have to prove their merchandise is the best option. If that weren't stressful enough, retail compensation is often commission-based, which means your paycheck is tied to how much you sell.

2. Doctors and nurses

Why: Doctors and nurses deal with life and death on a regular basis, a pressure found in few occupations. They have to handle patients while accessing an encyclopedia of medical knowledge. Doctors and nurses who work in hospitals or clinics that don't keep regular business hours often work on little sleep and are on call even on days off. In recent years doctors have also been forced to deal with an increase in malpractice lawsuits.

3. Accountants

Why: Crunching numbers requires attention to detail that can make your eyes cross. Not only are you dealing with a client's finances, but you also have to take into account volumes of rules and regulations that change each year. Plus, you're expected to know about minute loopholes and read tiny print that nobody else does.

4. Teachers
Why: Students aren't always easy to control or motivate. Parents who can't understand why their children aren't doing better often place the blame with teachers. And pressure to prepare students for standardized tests mean they can't always stick to the lesson plans they'd prefer to teach.

5. Firefighters

Why: When firefighters are on call, they've got to be ready to respond to emergencies that range from minor car accidents to huge explosions. They might go an entire shift with no emergency or they might get a call that keeps them out for hours. Perhaps most importantly, they're playing with fire literally. That's stressful enough.

6. Farmers

Why: Agriculture requires constant attention, from waking up early to strenuous physical activity. That alone isn't stressful, but having no control over nature is. Droughts, floods, fires or other natural disasters can ruin months of hard work, and you can't do much about it.