Andrew Steptoe is Professor of Psychology and Epidemiology and Head of the Research Department of Behavioural Science and Health at UCL. Andrew directs the Psychobiology Group (https://www.ucl.ac.uk/epidemiology-health-care/research/behavioural-science-and-health/research/psychobiology), and the English Longitudinal Study of Ageing (https://www.elsa-project.ac.uk/). He has published around 700 peer-reviewed articles and is author or editor of 24 books.