When it comes to infection control, short sleeves aren't any better than long ones. Doctors' long-sleeved white coats don't harbor more bacteria than short-sleeve shirts, according to a study published in the Journal of Hospital Medicine, Scientific American reports. At the end of an eight-hour shift, 50 doctors who started their day wearing freshly laundered short-sleeve shirts carried similar amounts of bacteria to another set of 50 doctors who started their day in unwashed long-sleeved white coats. Article