Common Cold:What is the common cold? A common cold could have one or a few of these symptoms. What are the causes of the common cold? In this essay we are going to emphasize on six of the possible causes of a common cold: Virus infection, lack of specific antibody, acute stress, chronic stress, increased human contact and a weaken immune system.The most common cause of the common cold is the virus infection.There are six possible ways to catch the common cold, but the are plenty of ways of preventing the common cold