How common is the common cold? According to the Centers for Disease Control and Prevention, in the course of a year, people in the U.S. suffer 1 billion colds. But, when you’re coughing, sneezing, and miserable do you need a doctor? Sometimes people are unsure if they have the flu, bronchitis, pneumonia...or just the common cold. To avoid an unnecessary trip to your healthcare provider and to prevent the overprescription of antibiotics, it helps to understand the difference between these