The secretion and nasal discharge are closely related phenomena that are important aspects of respiratory health. Nasal discharge, or excessive mucus production, can be a common symptom of various respiratory illnesses, allergies, or even exposure to irritants. Most people encounter this problem daily, and often do not realize that the color, consistency, and amount of discharge can reveal a lot about our health. Mucus production is the body’s natural response that helps protect the airways from pathogens and pollutants. However, if the quantity or quality of mucus changes, it may indicate that something is wrong in the body. Nasal discharge can be particularly bothersome, as it not only makes breathing…