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Monday, March 8, 2021
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Barbara Rolls

Barbara Rolls

Latest News
Photo of the cover of the book "The Volumetrics Diet"

Weight-loss plan developed at Penn State ties for No. 2 ranking

preschooler with large ice cream cone

Bigger portions lead to preschoolers eating more over time

The Ultimate Volumetrics Diet

Weight-loss plan developed at Penn State lands No. 2 ranking

Helen Guthrie

Helen Guthrie, longtime nutritional sciences faculty member, dies at 92

spicy grilled veggies

Spicing it up: High school students may prefer seasoned veggies over plain

three heads changing food choices

Learning to make healthy choices can counter the effects of large portions

Volumetrics 2017

Volumetrics ranked No. 2 diet for weight loss in annual rankings

Barbara J. Rolls

Nutritional sciences faculty member establishes new endowment

Volumetrics 2017

Volumetrics ranks No. 2 for weight loss

single portion

Keep an eye on children's calories, researchers say

Ultimate Volumetrics 2015

Bite into Volumetrics to lose the pounds; weight-loss book ranks No. 6

crushed cereal in beakers

Cereal flake size influences calorie intake

Barbara Rolls

Professor's Volumetrics diet among U.S. News & World Report's Best Diets of 2014

A. Catharine Ross and Barbara Rolls

American Society for Nutrition honors two Penn State researchers

Untitled

Ultimate Volumetrics diet book helps people lose weight, manage hunger

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