Medical and Health Documents

Cancer Medicine, 6th Edition contains complate information about cancer and what medicine to heal the disease.

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Cancer Epidemiology

The magnitude of the human and economic costs of cancer in the United States is enormous. At current rates, invasive cancer will be diagnosed in approximately 1 of every 2 American men and 1 in 3 women in their lifetimes. Cancer afflicts 2 out of every 3 families. The annual costs of cancer are estimated at about $107 billion—37 billion for direct medical costs, $11 billion for lost productivity, and $59 billion for indirect mortality costs.

This chapter describes the use of epidemiologic methods to monitor trends in cancer occurrence and to identify factors that cause or prevent cancer. It does not address the application of epidemiology to health services research or program evaluation. Because, by definition, epidemiology is the study of disease occurrence in populations rather than in individuals, epidemiologic concepts are less familiar to clinicians than are issues related to the diagnosis, treatment, and pathophysiology of disease in individual patients. We will examine how population-based research contributes to our understanding of cancer.

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