A humidifiers helps moisturize the air and clear phlegm, which can help relieve congestion and improve breathing. It can also help reduce inflammation and fever. By helping loosen mucus, a cool-mist humidifier can soothe coughs, as suggested by the CDC (Centers for Disease Control and Prevention).[2] Not to mention, humidification can also help relieve coughs linked to bronchitis. So, a humidifier is an excellent option if you're looking for a way to moisturize your dry skin, lung, throat, and nasal passageway!