Dr. Yuzi You is a researcher at the School of Clinical Medicine, Tsinghua University. Her research focuses on cell biology, aging-related diseases, and cancer epidemiology. She has investigated the roles of sirtuins, including SIRT1, SIRT3, and SIRT6, in aging and age-related disorders, with publications in peer-reviewed international journals. Her current research focuses on liver cancer and associated risk factors. In this study, she examines the relationship between sleep duration and incident liver cancer using data from the UK Biobank, with particular attention to reverse causation, hepatic vulnerability, and cardiometabolic factors.