In her article for Psychology Today, “Hum a Happy Tune for Wellness“, Linda Wasmer Andrews has researched about humming and its varied physical and mental health benefits, easing stress, boosting happiness, and soothing sinuses.
“Hum for sinus health
Research shows that humming can improve airflow between the sinuses and the nasal cavity. This, in turn, may help protect the health of your sinuses. Here’s how: Humming creates turbulence in the air, which pushes it out more forcefully than quiet breathing. Researchers have studied this effect by measuring a gas produced in the sinuses, nitric oxide. In healthy individuals, humming dramatically increases the amount of nitric oxide released upon exhaling, which shows that air is moving out of the sinuses well. And that’s important, because if air and mucus become trapped inside the sinuses, the result can be pain and infection.