Inhaling through the nose activates the regions of the brain associated with memory and emotion.
Focusing on one’s breathing has been a preoccupation of Eastern philosophy for centuries and in some cases, millennia. It is considered a means to attain inner peace and illumination. Yogis and Zen masters alike have traditionally begun their teachings having students focus on their breathing. It seems that science has finally caught up. A new study published in the journal Neuroscience outlines the interrelationship between breathing and cogitation.