Research shows that exposure to extreme cold can lead to pneumonia, not to cold or flu. Working with a cold. Going to work or school with a cold probably won't prolong the symptoms, but it does pose a risk of passing the cold on to others. If you do venture out, wash your hands often and use disposable tissues. Your intake of fluids, such as water and juices, should be increased when you have a cold or fever.
Hot fluids can help treat a cough.
In general, you should eat enough to satisfy your appetite. Alcohol should be avoided when one has a cold. Chicken soup is a good source of hot liquids, but does not have special curative effects. This is a misleading term. Catching the flu from a flu shot.