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Related Experiment Videos

Alcohol and the appetizer effect.

M R Yeomans1, N J Hails, J S Nesic

  • 1Laboratory of Experimental Psychology, University of Sussex, Brighton, UK. martin@biols.sussex.ac.uk

Behavioural Pharmacology
|April 26, 2000
PubMed
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Alcohol consumption can stimulate appetite, particularly in unrestrained individuals, potentially leading to increased calorie intake. This complex effect on appetite warrants further investigation in dietary studies.

Area of Science:

  • Nutrition Science
  • Human Physiology
  • Behavioral Science

Background:

  • Alcohol consumption is common, and its impact on appetite and energy intake is not fully understood.
  • Previous studies suggest a link between moderate alcohol consumption and excess energy intake.

Purpose of the Study:

  • To investigate the acute effects of alcohol consumption on appetite regulation in men.
  • To differentiate the effects of alcohol versus non-alcoholic beverages on food intake and appetite ratings.

Main Methods:

  • 12 unrestrained and 10 restrained men consumed water, non-alcoholic juice, or alcoholic juice as a preload.
  • Participants then ate a test meal 20 minutes after the preload.
  • Appetite ratings (hunger and fullness) and food intake were measured.

Related Experiment Videos

Main Results:

  • Unrestrained men ate less after non-alcoholic juice but most after alcohol, while restrained men showed no significant change in intake.
  • Both alcohol and non-alcoholic juice preloads reduced hunger and increased fullness compared to water in both groups.
  • Alcohol consumption led to a greater increase in hunger during the initial stages of the test meal in unrestrained men.

Conclusions:

  • Alcohol exerts a complex influence on appetite, including a stimulatory effect.
  • This appetite stimulation by alcohol may contribute to the increased energy intake observed in moderate alcohol consumers.
  • Individual differences in self-control (restrained vs. unrestrained) may modulate alcohol's effects on appetite.