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![Shut Your Mouth and Save Your Life The Dangers of Mouth Breathing and Why Nose or Nasal Breathing is Preferred, Based on the Native American Experien [Hardcover]](/itemImage/2/5/4/0/2_7190141.jpg "Shut Your Mouth and Save Your Life The Dangers of Mouth Breathing and Why Nose or Nasal Breathing is Preferred, Based on the Native American Experien [Hardcover]")