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Binge Eating Disorders

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Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
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Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
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In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...
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Updated: Dec 21, 2025

Errors as a Means of Reducing Impulsive Food Choice
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What does it mean to overeat?

Emma V Long1, Lenny R Vartanian1, C Peter Herman2

  • 1School of Psychology, UNSW Sydney, Sydney, NSW 2052, Australia.

Eating Behaviors
|May 21, 2020
PubMed
Summary

People most associate overeating with eating when not hungry. Other factors like mindless eating and eating beyond a norm are less connected to this public health concern.

Keywords:
Amount of foodEating outside hungerMindless eatingNormative cuesOvereating

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Area of Science:

  • Psychology
  • Public Health
  • Behavioral Science

Background:

  • Overeating is a major public health issue.
  • Understanding laypeople's conceptualization of overeating is crucial but understudied.

Purpose of the Study:

  • To explore how individuals conceptualize the act of overeating.
  • To identify factors participants associate with overeating.

Main Methods:

  • 175 university students and 296 community members participated.
  • Participants rated the relevance of various statements to the concept of overeating.
  • Data collected using a 7-point Likert scale.

Main Results:

  • Eating when not hungry was most strongly linked to overeating.
  • Mindless eating, exceeding a norm, and lack of restriction were moderately linked.
  • Food quality and eating style were least relevant to the concept of overeating.

Conclusions:

  • Laypeople primarily define overeating by eating outside of hunger cues.
  • Perceived overeating, regardless of actual intake, can lead to negative outcomes.
  • Findings suggest potential for reshaping conceptions of overeating to mitigate adverse effects.