Sociology is the study of human social relationships and institutions. Sociologyâs subject matter is diverse, ranging from crime to religion, from the family to the state, from the divisions of race and social class to the shared beliefs of a common culture, and from social stability to radical change in whole societies.
Smoking leads to the lung disease, emphysema. In smokers, the presence of irritants in the mucus build up in the lungs and causes inflammation. A large number of phagocytic white blood cells migrate to the alveoli. The elastase produced by these cells breaks down elastin and other proteins in the wall of the alveoli.
Smoking And Lung Cancer. Smoking is the major cause of lung cancer. However, what many people do not realize is that smoking often is not necessarily the cause, but instead the enabler. Cigarette smoking weakens the lungs and decreases their ability to expel fibers.