ANTC67H3 Chapter Notes - Chapter 1: Genetic Epidemiology, Public Health, Cowpox
Document Summary
He suggested that cholera was caused by contaminated water, giving rise to sanitation improvements. Recent developments in epidemiology: among british male doctors, annual death rates due to lung cancer increased with the average number of cigarettes smoked per day. Smokers also died about 10 years earlier than non-smokers: some factors are essential to the development of a disease, whereas others increase the risk of developing a disease. Scope: the focus of an epidemiological study is the population defined in geographical or other terms, such as factory workers. Epidemiology & public health: public health refers to the collective actions to improve population health. Epidemiology is a tool for improving public health. Causation of disease: some diseases are caused solely by genetic factors, while others are a result of the interaction between genetics and the environment. Environment is broadly defined as the biological, chemical, physical, psychological, economic or cultural factors that can affect health: personal behaviors also play a role.
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