
معرفی
Barbara Jean Rolls is a Professor and Helen A. Guthrie Chair in the Department of Nutritional Sciences at The Pennsylvania State University. Her research focuses on understanding the physiological and behavioral mechanisms driving food intake, obesity, and energy balance.
- Expertise Areas: Energy intake, portion size effects, energy density, satiety, childhood obesity prevention, dietary behavior
Her recent work includes studies on virtual reality food environments, preloading experiments, and family risk factors for childhood adiposity. She has secured continuous funding from agencies like the National Institute of Diabetes and Digestive and Kidney Diseases and Robert Wood Johnson Foundation for projects targeting preschool nutrition and environmental interventions.
Rolls contributes to the UN Sustainable Development Goals related to Zero Hunger and Good Health and Well-being, with over 317 research outputs and a Scopus h-index of 92. Her collaborations span pediatric health, food policy, and behavioral nutrition research.


