In the Middle East, dust and sand storms are a persistent problem and can be inhaled into the mouth, nasal pharynx, and lungs due to the size and abundance of these micro-particulates. The chronic and acute pulmonary effects of this dust inhalation have n In the Middle East, dust and sand storms are a persistent problem and can be inhaled into the mouth, nasal pharynx, and lungs due to the size and abundance of these micro-particulates. The chronic and acute pulmonary effects of this dust inhalation have n