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What is the relationship between alcohol intake and weight gain? (DGAC 2010)

Conclusion

Moderate evidence suggests that among free-living populations, moderate drinking is not associated with weight gain. However, heavier consumption over time is associated with weight gain.

Grade

Moderate
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Evidence Summaries

What is the evidence that supports this conclusion? For more information, click on the Evidence Summary link below.
 
What is the relationship between alcohol intake and weight gain?

Research Recommendations

Conduct a comprehensive set of studies in a controlled setting to assess the influences that alcohol may have on factors that affect energy intake and expenditure.

Rationale: The effects of energy from alcohol on body weight are complex and not completely understood. These studies will clarify whether the lack of association between moderate alcohol consumption and weight gain is due to biological compensation or changes in other behaviors (e.g., diet or physical activity).

Search Plan and Results

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What is the relationship between alcohol intake and weight gain?