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.
There are all types of smokers. Some smokers are casual smokers, who only smoke ... SMOKING: THE NUMBER ONE CAUSE OF LUNG CANCER. Lung cancer is a disease in which a primary cancer (the original site where the cancer occurred) develops in the tissue of the lungs.Lung cancer was first described by doctors in the mid 1800's.MOKING: THE NUMBER ONE CAUSE OF LUNG CANCER. Lung cancer is a disease in which a primary cancer (the original site where the cancer occurred) develops in the tissue of the lungs.