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Why is it healthy to hum?

Stressed out because you've got too much to do and too little time to do it? Hum.

Humming has been scientifically proved to boost nitric oxide (NO), a nifty little body gas that, in small doses, has a stress-reducing effect.

All of us produce NO in our respiratory tract, according to Wechsler. But it's produced most notably in the sinuses. Humming affects the airflow between the sinuses and the nasal cavity in a way that creates more NO, a gas that promotes wound healing, new collagen formation and better blood flow in the skin.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.