Barbara Rolls Phd

About the Author

Dr. Barbara Rolls, PhD, is a renowned nutrition scientist and professor of nutritional sciences at Pennsylvania State University, where she has dedicated her career to unraveling the science of satiety and sustainable weight management. With a PhD in physiology from the University of Cambridge, she has authored numerous peer-reviewed studies and books that bridge cutting-edge research with practical advice for everyday health. Her groundbreaking Volumetrics approach emphasizes filling foods that satisfy hunger without excess calories, empowering readers to achieve lasting weight loss through mindful eating. As a leading voice in dietary science, Dr. Rolls continues to influence public health policy and inspire millions to adopt evidence-based strategies for a healthier life.