Sanmei is an Editorial Board Member of BMC Geriatrics. She is an asssociate professor of Global Health Nursing at Hiroshima University in Japan. She holds a Bachelor's degree of Medicine in nursing science and a Ph.D. degree in behavior and health sciences. Before joining the Hiroshima University, She worked at the Department of Epidemiology and Public Health of Kyushu University, and the National Center for Global Health and Medicine of Japan. Before that, she was a lecturer at the School of Nursing of Central South University in China. Her research interests revolve around global health, health promotion, and disease prevention, with a primary focus on understanding the role of nutrition, physical activities, and other lifestyle factors in promoting maternal and child health, and the prevention of chronic diseases like diabetes, cardiovascular diseases, and dementia etc, as well as functional disability and premature death. Within nutrition research, she explores the significance of dietary diversity in health outcomes and the impact of specific food groups such as fish and vegetables on chronic disease prevention. At the level of nutrients, she conducts research on nutritional biomarkers, such as the associations of circulating levels of amino acids, fatty acids, and vitamins with the risk of chronic diseases. Complementing observational studies, She conducts research on implementing maternal nutrition education to improve maternal and child health outcomes. In her work, she have employed a range of methodologies of epidemiology, from nested case-control studies and large-scale cohort studies to community intervention studies and implementation studies, from mixed model to risk prediction model development. She aims to translate findings into effective public health interventions.