Equalize your inhale and exhale with the Breath of Fire to stimulate your body and mind, get all your energy moving, and clear out your head. This practice expands lung capacity, increases oxygen flow to the brain, and releases toxins from the lungs. It regulates the brain–pancreas–endocrine pathway and stimulates the brainstem, cortex, efferent pathways, and effector organs.

Read the science:
https://blog.caravanwellness.com/breath-of-fire/