Upper respiratory infections are common, especially during Knoxville’s colder months and seasonal illness surges. Congestion, sore throat, coughing, and fatigue are expected but feeling short of breath can be unsettling. When breathing starts to feel different while you’re running errands at Food City or trying to stay productive at work, it’s natural to wonder: is this still just a cold, or is it time to get checked out? At AFC Knoxville, we ...