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A Treatment Package without Escape Extinction to Address Food Selectivity

A Treatment Package without Escape Extinction to Address Food Selectivity

Published on: August 21, 2015

Portion size: review and framework for interventions.

Ingrid Hm Steenhuis¹, Willemijn M Vermeer

¹VU University, Department of Health Sciences and EMGO+ Institute for Health and Care Research, De Boelelaan 1085, 1081 HV Amsterdam, the Netherlands. ingrid.steenhuis@falw.vu.nl.

The International Journal of Behavioral Nutrition and Physical Activity

|August 25, 2009

Summary

This summary is machine-generated.

Larger food portion sizes contribute to the obesity epidemic by increasing energy intake. More research and interventions are needed to address the impact of portion size on eating habits.

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Area of Science:

Nutrition science
Public health

Background:

Rising prevalence of overweight and obesity globally.
Food portion size identified as a significant environmental factor in the obesity epidemic.

Purpose of the Study:

To review existing studies on the effects of food portion size on energy intake.
To identify mechanisms driving increased intake with larger portions.
To assess the current state of intervention studies and propose future directions.

Main Methods:

Systematic review of studies examining the relationship between food portion size and energy consumption.
Analysis of psychological and economic factors influencing portion size perception.
Evaluation of intervention strategies aimed at modifying portion size influence.

Main Results:

Increased food portion sizes consistently lead to higher energy intake.
Key drivers include perceived value for money and 'portion distortion' (normalization of larger sizes).
Limited intervention studies exist, yielding mixed results.

Conclusions:

Food portion size is a critical, modifiable factor in obesity.
Urgent need for more intervention studies targeting portion size.
Interventions should address individual behaviors and environmental factors (physical, economic, political, socio-cultural).