Herbal aids such as eucalyptus, thyme, and licorice can also ease congestion. Humidifiers keep airways moist, and nasal irrigation tools flush out irritants. Finally, a clean home reduces allergens that trigger mucus.

Though it may be unpleasant, phlegm plays a key role in your immune defense. With a few habits, you can keep your respiratory system running smoothly.

Phlegm, often seen as an unpleasant bodily fluid, actually serves as a crucial component of your respiratory system. It acts as a protective barrier, trapping harmful particles like dust, bacteria, and allergens before they can reach your lungs. In fact, your body produces approximately one liter of phlegm each day to