The dreaded cold and flu season is upon us! When someone says they have a cold or the flu, what is actually happening in their body? For most people, the “common cold” is a viral infection of the upper respiratory system. In other words, a stuffy nose, head pressure, sore throat, and a cough. There usually is no fever or chills, and maybe just slight body aches. In most cases, this will pass in 5-10 days and over the counter treatments will help to ease symptoms. The “flu,” also known as Influenza, does usually bring fever and chills, body aches, fatigue or tiredness, and a cough with some che...