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.
Cigarette smoke also causes inflammation and irritation in the lungs leading to an increase in mucus production. Too much mucus in the lungs places you at an increased risk for lung infections, as mucus provides bacteria with the perfect hide-away. Air pollution also plays a role in the development of emphysema.