What is cold and flu? What are its causes and how can they be cured?
Cold and flu, often referred to as the common cold and influenza, are two distinct viral infections that affect the respiratory system. While they share some similar symptoms, they are caused by different viruses and have varying levels of severity. In this comprehensive guide, we will explore the differences between cold and flu, their causes, symptoms, and how they can be treated and prevented. **I. The Common Cold** **A. Definition:** The common cold, or simply a "cold," is a mild viral infection that primarily affects the upper respiratory tract, including the nose and throat. It is a highly prevalent illness, with millions of cases occurring worldwide each year. Cold symptoms typically include a runny or stuffy nose, sneezing, coughing, sore throat, and occasionally a mild fever. It is usually a self-limiting condition, resolving on its own within a week or two. **B. Causes:** The common cold is caused by a wide range of viruses, most commonly rhinoviruses, but also cor...