Left nostril breathing is a yogic practice that activates the parasympathetic nervous system, which can help calm the mind, reduce stress, and lower blood pressure. It is often practiced as part of alternate nostril breathing, where you alternately close one nostril to breathe through the other. This technique is associated with a state of relaxation, stress reduction, and improved cardiovascular and respiratory function Benefits of left nostril breathing. Stress reduction: It can lower the acti