A large amount of medical research is conducted, with variable quality. Also, health claims are frequently reported in the media, and it can be difficult to determine which is based on reliable evidence and which is not. It is therefore essential to be able to interpret study results and conclusions appropriately, in order to change clinical practice or develop public health policy. This is achieved by Evidence-Based Medicine. The module will enable students to evaluate risk factors for disease or early death, and methods of disease prevention or treatment.