Dr. David Melzer is Professor of Epidemiology and Public Health at the University of Exeter Medical School, in the UK. He is also a professor at the University of Connecticut Center on Aging, in the USA. His current research focusses on conventional and genomic factors associated with ageing well. Recent outputs used the UK Biobank cohort of half a million volunteers to explore associations with parental longevity. His group is also using electronic medical records databases on a million older people, with recent outputs on the claimed obesity risk paradox in later life, and studies of comorbidities and outcomes in the oldest old.