Barbara Jean Rolls
Professor and Helen A. Guthrie Chair of Nutritional Sciences; Professor of Biobehavioral Health
Publication TagsPortion Size Vegetables Food Meals Energy Intake Weights And Measures Eating Weight Loss Obesity Spices Preschool Children Students Maintenance Research Brain Surveys And Questionnaires Beverages Fruit Lunch Therapeutics Cues Body Weight Snacks Feeding Behavior Magnetic Resonance Imaging
Most Recent Papers
Using Herbs and Spices to Increase Vegetable Intake Among Rural Adolescents
Juliana R. Fritts, Maria A. Bermudez, Rebecca L. Hargrove, Laurie Alla, Clara Fort, Qihan Liang, Terri L. Cravener, Barbara Jean Rolls, Christopher R. D'Adamo, John E. Hayes, Kathleen Loralee Keller, 2019, Journal of Nutrition Education and Behavior on p. 806-816.e1
Both increases and decreases in energy density lead to sustained changes in preschool children's energy intake over 5 days
Alissa D. Smethers, Liane Stevens Roe, Christine E. Sanchez, Faris M. Zuraikat, Kathleen Loralee Keller, Barbara Jean Rolls, 2019, Physiology and Behavior on p. 210-218
Increased brain and behavioural susceptibility to portion size in children with loss of control eating
L. K. English, T. D. Masterson, S. N. Fearnbach, M. Tanofsky-Kraff, J. Fisher, Stephen Wilson, Barbara Jean Rolls, Kathleen Loralee Keller, 2019, Pediatric Obesity
Portion size has sustained effects over 5 days in preschool children
Alissa D. Smethers, Liane S. Roe, Christine E. Sanchez, Faris M. Zuraikat, Kathleen L. Keller, Samantha M.R. Kling, Barbara J. Rolls, 2019, American Journal of Clinical Nutrition on p. 1361-1372
The effectiveness of a social media intervention for reducing portion sizes in young adults and adolescents
Maxine A. Sharps, Marion M. Hetherington, Pam Blundell-Birtill, Barbara J. Rolls, Charlotte E.L. Evans, 2019, Digital Health
Can reduced intake associated with downsizing a high energy dense meal item be offset by increased vegetable variety in 3–5-year-old children?
Sharon A. Carstairs, Samantha J. Caton, Pam Blundell-Birtill, Barbara J. Rolls, Marion M. Hetherington, Joanne E. Cecil, 2018, Nutrients
Doggy bags and downsizing
Faris M. Zuraikat, Liane S. Roe, Alissa D. Smethers, Barbara J. Rolls, 2018, Appetite on p. 162-170
Herbs and spices increase liking and preference for vegetables among rural high school students
Juliana R. Fritts, Clara Fort, Anne Quinn Corr, Qihan Liang, Laurie Alla, Terri Cravener, John E. Hayes, Barbara J. Rolls, Christopher D'Adamo, Kathleen L. Keller, 2018, Food Quality and Preference on p. 125-134
Does the cost of a meal influence the portion size effect?
Faris M. Zuraikat, Liane Stevens Roe, Alissa D. Smethers, Levi W. Reihart, Barbara Jean Rolls, 2018, Appetite on p. 341-348
Brain response to food cues varying in portion size is associated with individual differences in the portion size effect in children
Kathleen Loralee Keller, Laural K. English, S. Nicole Fearnbach, Marlou Lasschuijt, Kaitlin Anderson, Maria Bermudez, Jennifer O. Fisher, Barbara Jean Rolls, Stephen Wilson, 2018, Appetite on p. 139-151
NIH working group report
Paul S. MacLean, Rena R. Wing, Terry Davidson, Leonard Epstein, Bret Goodpaster, Kevin D. Hall, Barry E. Levin, Michael G. Perri, Barbara J. Rolls, Michael Rosenbaum, Alexander J. Rothman, Donna Ryan, 2015, Obesity on p. 7-15
Dietary energy density is associated with body weight status and vegetable intake in U.S. children
Jacqueline A. Vernarelli, Diane C. Mitchell, Terryl J. Hartman, Barbara J. Rolls, 2011, Journal of Nutrition on p. 2204-2210
Eating vegetables first
Maureen K. Spill, Leann L. Birch, Liane S. Roe, Barbara J. Rolls, 2010, American Journal of Clinical Nutrition on p. 1237-1243
Effects of doubling the portion size of fruit and vegetable side dishes on children's intake at a meal
T. V E Kral, April C. Kabay, Liane Stevens Roe, Barbara Jean Rolls, 2010, Obesity on p. 521-527
What is the role of portion control in weight management
B. J. Rolls, 2014, International Journal of Obesity on p. S1-S8
Practices associated with weight loss versus weight-loss maintenance
Christopher N. Sciamanna, Michaela Kiernan, Barbara J. Rolls, Jarol Boan, Heather Stuckey, Donna Kephart, Carla K. Miller, Gordon Jensen, Terry J. Hartmann, Eric Loken, Kevin O. Hwang, Ronald J. Williams, Melissa A. Clark, Jane R. Schubart, Arthur M. Nezu, Erik Lehman, Cheryl Dellasega, 2011, American Journal of Preventive Medicine on p. 159-166
Plenary Lecture 1
Barbara J. Rolls, 2010, Proceedings of the Nutrition Society on p. 70-79
Portion size can be used strategically to increase vegetable consumption in adults
Barbara Jean Rolls, Liane Stevens Roe, Jennifer S. Meengs, 2010, American Journal of Clinical Nutrition on p. 913-922
An intervention study targeting energy and nutrient intake in worksite cafeterias
Michael R. Lowe, Karyn A. Tappe, Meghan L. Butryn, Rachel A. Annunziato, Maria C. Coletta, Christopher N. Ochner, Barbara J. Rolls, 2010, Eating Behaviors on p. 144-151
Weighing the Evidence of Common Beliefs in Obesity Research
Krista Casazza, Andrew Brown, Arne Astrup, Fredrik Bertz, Charles Baum, Michelle Bohan Brown, John Dawson, Nefertiti Durant, Gareth Dutton, David A. Fields, Kevin R. Fontaine, Steven Heymsfield, David Levitsky, Tapan Mehta, Nir Menachemi, P. K. Newby, Russell Pate, Hollie Raynor, Barbara Jean Rolls, Bisakha Sen, Daniel L. Smith, Diana Thomas, Brian Wansink, David B. Allison, 2015, Critical reviews in food science and nutrition on p. 2014-2053
News Articles Featuring Barbara Jean Rolls
Jun 27, 2020
Obesity: America’s number one export?
Food research by the U.S. military, particularly World War II, led to the creation of processed wartime rations. After the Allied victory, the world largely adopted America's processed-food diet, a key factor for the global obesity crisis.
Jan 17, 2020
Penn State Professor’s Diet Plan Ranked Second-Best For Weight Loss
Penn State students who have a New Year’s Resolution involving eating healthier can follow an award-winning diet plan that was developed at Penn State.
Jan 07, 2020
You can be full and have room for dessert
Those with a sweet tooth will be well versed in feeling full but having space for pudding. Good news for many, an expert claims “dessert stomach” is not only real, but part of our evolution.
Jan 04, 2020
Weight loss diet developed at Penn State ranked second-best for 2020
A weight loss diet created by a nutritionist at Penn State University has been ranked one of the best to follow in 2020 for those looking to shed pounds.
Jan 02, 2020
Weight-loss plan developed at Penn State ties for No. 2 ranking
If eating healthier is on your list of New Year’s resolutions, you may need to look no further than Volumetrics, a diet developed by Penn State Professor of Nutrition Barbara Rolls that has tied for the No. 2 weight-loss plan in this year’s U.S. News & World Report's "Best Diets."