Your headache and you sneeze and cough. Your nose is all stuffed up, and it keeps running, so you have to blow it every few minutes. You know by these symptoms that you have a cold, and you feel completely miserable.
Everyone suffers from the common cold at some time or other. It isn't a serious illness, but over a billion dollars a year is spent on different kinds of cold medicine every year.
This medicine can relieve the symptoms. That is, it can make you cough much, make your head less intense, and stop your nose running for a while. However, it can cure your cold. So far, there is no cure or preventive medicine for colds, people have all kinds of ideas about how to prevent and treat cold. Some people think that if you eat a lot of onions, you won't each cold. Others say that you should avoid getting wet and chilled.
