Life hacks to help you avoid catching (or spreading) that nasty office cold

It might be you, it might be your co-worker, but at some point this winter, someone’s going to show up at the office when they shouldn’t. Dragging ourselves to work sick — a behavior social scientists call “presenteeism” — costs employers $160 billion a year in lost productivity, according to research published in the Journal of Occupational and Environmental Medicine. Avoid spreading sickness with this handy guide to the best desk disinfectants, immunity-boosting snacks, and other a...