1. Headline
  1. Headline

Barbara Rolls, Ph.D, holds the endowed Guthrie Chair of Nutritional Sciences at Pennsylvania State University and has served on the advisory council of the NIH's National Institute of Diabetes and Digestive and Kidney Diseases.

She is the author of the "Volumetrics Weight-Control Plan," "The Volumetrics Eating Plan," and three books for health professionals on nutrition, as well as more than 200 research articles.


Discussion comments


Most active discussions

  1. votes comments
  2. votes comments
  3. votes comments
  4. votes comments

More on TODAY.com

  1. @HillaryClinton/twitter

    Hillary Clinton: Granddaughter led me 'to speed up' political plans

    4/10/2015 3:58:42 PM +00:00 2015-04-10T15:58:42
  1. Courtesy Bryan Morseman

    Marathon dad's victories help raise money for son with spina bifida

    4/10/2015 5:54:50 PM +00:00 2015-04-10T17:54:50
  1. YouTube

    8 great celebrity impressions of other celebrities

    4/10/2015 6:44:22 PM +00:00 2015-04-10T18:44:22