Scientific Disciplines Scientific Disciplines Our research themes are underpinned by four scientific disciplines. Health Economics Improving the allocation of resources, tackling inequalities and developing better ways to measure benefit. Health Psychology Exploring the behavioural and psychological processes in health and healthcare. Medical Sociology Analysing the social and cultural effects of healthcare, from individuals to large organisations. Health Technology Evaluation A range of methods used to promote health, prevent and treat disease, and improve rehabilitation and long term care.