Biology—I learned that nasal sinuses produce nitric oxide, an important chemical gas that infuses the air you breathe in and helps your body absorb more oxygen—10 percent more than breathing ...

Nasal breathing increases parasympathetic activity and releases nitric oxide, which improves airway dilation and lowers blood pressure. Slow breathing—even short sessions at home—can reduce ...

Deep breathing stimulates nasal passages, increasing nitric oxide levels, which aid vasodilation and strengthen the immune response. This can improve respiratory health and benefit individuals ...

Nasal breathing, in my experience ... The nose also produces nitric oxide (NO), a chemical that improves our lungs’ ability to absorb oxygen (pretty useful when you’re running and using ...