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Related Concept Videos

Dietary Connections01:23

Dietary Connections

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In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
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Regulation of Food Intake01:30

Regulation of Food Intake

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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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Obesity01:24

Obesity

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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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Energy Balance01:19

Energy Balance

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The human body gets energy from the three macronutrients: carbohydrates, proteins, and fats. Energy is released when the chemical bonds in the organic compounds present in the food are broken down. The energy content of food is measured in kilocalories (kcal), defined as the amount of heat required to raise the temperature of one kilogram of water by one degree Celsius. This value is determined by measuring the temperature change of the water surrounding a calorimeter after the complete...
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Binge Eating Disorders01:23

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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Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

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Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
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Related Experiment Video

Updated: May 24, 2025

Control of Eating Behavior Using a Novel Feedback System
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FoodCoach: Fully Automated Diet Counseling.

Jing Wu, Simon Mayer, Simeon Pilz

    IEEE Journal of Biomedical and Health Informatics
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    Summary

    FoodCoach is an automated system that monitors food purchases via digital receipts to offer dietary advice. While technically feasible for scalable diet counseling, it did not significantly improve food purchase healthiness in a trial.

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    Area of Science:

    • Digital Health
    • Nutrition Science
    • Artificial Intelligence in Healthcare

    Background:

    • Unhealthy dietary habits are a primary cause of non-communicable diseases (NCDs).
    • Traditional diet counseling is resource-intensive and manually operated, limiting its scalability.
    • Automated solutions are needed to overcome the limitations of manual diet counseling for NCD prevention.

    Purpose of the Study:

    • To introduce FoodCoach, a fully automated system for diet counseling using digital receipt data.
    • To present the system's recommender algorithm, architecture, and evaluation through a randomized controlled trial.
    • To demonstrate the potential for scalable, automated diet monitoring and personalized recommendations.

    Main Methods:

    • Development of a novel dietary recommendation algorithm with clinical expert input.
    • Implementation of a scalable system architecture utilizing a knowledge graph for data interoperability.
    • Conducting a two-arm randomized controlled trial with 61 participants to evaluate FoodCoach's feasibility and impact.

    Main Results:

    • The FoodCoach system demonstrated technical feasibility for scalable, automated diet counseling.
    • The randomized controlled trial showed no significant improvement in participants' food purchase healthiness.
    • The study provides implementations and deployment guidance for the FoodCoach system.

    Conclusions:

    • FoodCoach offers a scalable, automated approach to diet monitoring and recommendations, augmenting traditional counseling.
    • The system can conserve clinical resources by streamlining the diet counseling process.
    • Further research and development can enhance the impact of automated diet counseling on NCD reduction.