Why taking lunch makes you a better employee - CNN.com

Counterproductive

"From a productivity standpoint, there are diminishing marginal returns when you ask your brain to exert constant effort through an eight-hour day," says Dr. Janet Scarborough Civitelli, a workplace psychologist at VocationVillage.com. "When workers skip a lunch break on a regular basis, they often don't realize that fatigue and burnout are creeping up on them until they wake up one day and 'suddenly' feel less enthusiastic about their jobs or businesses."

via cnn.com

In the long run, it pays to take your lunch breaks. This is a well-written article which will make you stop and re-think your lunch plans.