Michael Mosley

Self / Presenter / Journalist

Fauja Singh

Self / 100+ year old marathon runner

Luigi Fontana

Self / Professor, Washington University School of Medicine

Joe Cordell

Self / Calorie Restrictor on Optimal Nutrition (CRONy)

Valter Longo

Self / Professor, USC

Krista A. Varaday

Self / Professor of Nutrition, University of Illinois Chicago

Mark P. Mattson

Self / Professor, National Institute on Aging

Clare Mosley

Self / Wife / General Practitioner / Consultant