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What is the relationship between eating out and body weight? (DGAC 2010)

Conclusion

Strong and consistent evidence indicates that children and adults who eat fast food are at increased risk of weight gain, overweight and obesity. The strongest documented relationship between fast food and obesity is when one or more fast food meals are consumed per week. There is not enough evidence at this time to similarly evaluate eating out at other types of restaurants and risk of weight gain, overweight and obesity.

Grade

Strong
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Evidence Summaries

What is the evidence that supports this conclusion? For more information, click on the Evidence Summary link below.
 
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Research Recommendations

Conduct considerable new research on other behaviors that might influence eating practices. Rationale: We need to know more about child feeding practices, family influences, peer influences, etc. and what can improve them.

Search Plan and Results

What were the search parameters and selection criteria used to identify literature to answer this question? For more information, click on the Search Plan and Results link below.
 
What is the relationship between eating out and body weight?