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    50% larger portions increased calorie intake by 423 calories per day


    Posted by .(JavaScript must be enabled to view this email address)
    Thursday, September 09, 2010 6:04 am Email this article
    Increasing portion size by 50 percent increased calorie intake in both normal weight and overweight men and women by an average of 423 calories per day according to a study by Barbara Rolls and colleagues at the Pennsylvania State University in University Park, Pennsylvania, USA. Effect Persisted

    Increased calorie intake sustained over 11 days

    This increase in calorie intake persisted for the entire 11 days of the study.

     

    Seen in Normal Weight and Overweight

    Increased calorie intake seen in both normal weight and overweight

    The increase in calorie intake was seen in both normal weight and overweight subjects.

     

    Conclusion

    Conclusion: Portion size affects calorie intake

    “These results strengthen the evidence suggesting that increased portions contribute to the overconsumption of energy and to excess body weight,” the researchers concluded.

    REFERENCE

    Rolls BJ, Roe L, Meengs J. The effect of large portion sizes on energy intake is sustained for 11 days. Obesity (Silver Spring). 2007 Jun, 15(6):1535-43.

    AUTHOR’S CONTACT INFORMATION

    Barbara Rolls
    Department of Nutritional Sciences
    Pennsylvania State University
    226 Henderson Building
    University Park, PA 16802-6501
    .(JavaScript must be enabled to view this email address)

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