CHAPTER XVII
NOSTRIL-BREATHING VS. MOUTH BREATHING
One of the first lessons in the Yogi Science of Breath is to learn how to breathe through the nostrils, and to overcome the common practice of mouth-breathing.
The breathing mechanism of man is so constructed that he may breathe either through the mouth or nasal tubes, but it is a matter of vital importance to him which method he follows, as one brings health and strength and the other disease and weakness.
It should not be necessary to state to the student that the proper method of breathing is to take the breath through the nostrils, but alas! the ignorance among civilized people regarding this simple matter is astounding. We find people in all walks of life habitually breathing through their mouths, and allowing their children to follow their horrible and disgusting example.
Many of the diseases to which civilized man is subject are undoubtedly caused by this common habit of mouth-breathing. Children permitted to breathe in this way grow up with impaired vitality and weakened constitutions, and in manhood and womanhood break down and become chronic invalids. The mother of the savage race does better, being evidently guided by her intuition. She seems
