One potent method for increasing nitric oxide production in the body is through specific breathing techniques. The "breath of fire," a rapid, rhythmic breathing exercise, is known to elevate NO levels in the blood and tissues, promoting healing and vitality. Inhaled nitric oxide has even been used in medical settings to save the lives of infants with pulmonary hypertension, demonstrating its critical role in respiratory health. Nitric Oxide therapy for COVID-19 recovery are currently underway.