As a result, by comparing the relative changes in the price of alcohol with. changes in RHDI per adult over the same period (with both allowing for infation), alcoholic. beverages were 61% more affordable per person in 2012 than in 1980.1.
Chest trauma, a major cause of subcutaneous emphysema, can cause air to enter the skin of the chest wall from the neck or lung. When the pleural membranes are punctured, as occurs in penetrating trauma of the chest, air may travel from the lung to the muscles and subcutaneous tissue of the chest wall.
Emphysema results when the delicate linings of the air sacs in the lungs become damaged beyond repair. Most commonly, the toxins in cigarette smoke create the damage. 1  As the fragile tissues between air sacs are destroyed, air pockets in the lungs develop.  Air becomes trapped in these spaces of damaged lung tissue.