Chicken soup may be good for colds, a new study suggests, Reuters reported this week. Scientists at the University of Nebraska Medical Centre found that chicken soup contains several ingredients that affect the body's immune system. They discovered that chicken soup and many of its ingredientts helped stop the movement of neutrophils - white blood cells that eat up bacteria and cellular debris which are released in great numbers by viral infections like colds. Neutrophil activity can stimulate the release of mucous, which may be the cause of the coughs and stuffy nose caused by upper respiratory infections such as colds. The scientists suggested that vitamins and other agents in the ingredients could, possibly, have a biological action.