Your job can be irritating and annoying, but can it really endanger your health? Yes, says a recent study published in December's American Journal of Epidemiology. The study found that commonly used office items—carbonless (self-copying) paper, photocopiers, and display terminals—can up your risk of health problems like headaches, eye strain, and respiratory symptoms such as wheezing and bronchitis. "Headaches and eye strain are probably the result of muscular stress and discomfort to the eyes," says study co-author Maritta Jaakkola, M.D., assistant professor of epidem…