When you first start coughing, feel fatigued, and notice a low-grade fever, it can be hard to determine whether you have the common cold or bronchitis. A cold can potentially turn into bronchitis.

Why do cats sneeze? Like humans, there are several likely causes for releasing air explosively from the nose and mouth. Usually, it’s just the body’s way of expelling allergens or other irritants.

A coughing, sneezing, 3D-printed model of the human nose and upper airway has provided researchers with a better understanding of how airborne infections are transmitted. The knowledge will aid in ...