Science glossary film: Epidemiology

The study of health and disease at the level of populations. It's a vital tool to identify the causes and risk factors for diseases. In 19th century Europe it was epidemiology that linked cholera with contaminated drinking water, enabling cholera outbreaks to be contained without drugs.

It's a vital tool to identify the causes and risk factors for diseases. In 19th century Europe it was epidemiology that linked cholera with contaminated drinking water, enabling cholera outbreaks to be contained without drugs.