the mouth at night, always awakens with a parched feeling in the mouth
and a dryness in the throat. He is violating one of nature's laws, and
is sowing the seeds of disease.

Once more, remember that the mouth affords no protection to the
respiratory organs, and cold air, dust and impurities and germs
readily enter by that door. On the other hand, the nostrils and nasal
passages show evidence of the careful design of nature in this
respect. The nostrils are two narrow, tortuous channels, containing
numerous bristly hairs which serve the purpose of a filter or sieve to
strain the air of its impurities, etc., which are expelled when the
breath is exhaled. Not only do the nostrils serve this important
purpose, but they also perform an important function in warming the
air inhaled. The long narrow winding nostrils are filled with warm
mucous membrane, which coming in contact with the inhaled air Warms it
so that it can do no damage to the delicate organs of the throat, or
to the lungs.

No animal, excepting man, sleeps with the mouth open or breathes
through the mouth, and in fact it is believed that it is only
civilized man who so perverts nature's functions, as the savage and
barbarian races almost invariably breathe correctly. It is probable
that this unnatural habit among civilized men has been acquired
through unnatural methods of living, enervating luxuries and excessive
warmth.

The refining, filtering and straining apparatus of the nostrils
renders the air fit to reach the delicate organs of the throat and the
lungs, and the air is not fit to so reach these organs until it has
passed through nature's refining process. The impurities which are