Lung cancer is the second most common cancer diagnosis and is the leading cause of cancer-related death in the United States for both men and women. The etiologies of many different types of lung cancer can be linked to risk factors that can be prevented, such as chronic tobacco smoking. Lung cancer is significantly more prevalent among…

Age and ethnic group differences in cold weather and contagion or germ theories of infectious disease were explored in two studies. A cold weather theory was frequently invoked to explain colds and to a lesser extent flu but became less prominent with age as children gained command of a germ theory of disease. Explanations of how contact with…