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.

Discuss:

Discussion comments

,

Most active discussions

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

More on TODAY.com

  1. Chris Jackson / Getty Images

    Duchess Kate, Prince William at Commonwealth Games: See their 5 best faces

    7/28/2014 9:54:10 PM +00:00 2014-07-28T21:54:10
  1. Dozens hurt by strikes near Gaza hospital, refugee camp

    The attack caused some damage to the outpatient clinic, leaving numerous dead and dozens more wounded according to witnesses including an NBC News crew on the ground in the area.

    7/28/2014 2:40:10 PM +00:00 2014-07-28T14:40:10
  1. Cheap beauty products: Best summer makeup for under $12

    Don't believe anyone who says you have to spend big on beauty. Some of summer's best finds ring up for less a double-scoop of chocolate swirl.

    7/28/2014 5:24:26 PM +00:00 2014-07-28T17:24:26
  1. AFP - Getty Images file

    Catherine Zeta-Jones: ‘I was a mess’ about Michael Douglas’ cancer

    7/28/2014 7:08:04 PM +00:00 2014-07-28T19:08:04