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Related Concept Videos

Anorexia Nervosa01:28

Anorexia Nervosa

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.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Overview of Protein Metabolism01:21

Overview of Protein Metabolism

Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
Hazard Analysis and Critical Control Points (HACCP)01:30

Hazard Analysis and Critical Control Points (HACCP)

Hazard Analysis and Critical Control Points (HACCP) is a science-based, preventive system used globally to ensure food safety by identifying, evaluating, and controlling biological, chemical, and physical hazards throughout food production. Originally developed by NASA and the Pillsbury Company for astronaut food, HACCP is now a core component of the Codex Alimentarius.HACCP operates on prerequisite programs—such as Good Manufacturing Practices (GMPs), sanitation procedures, and supplier...
Criteria for Causality: Bradford Hill Criteria - I01:30

Criteria for Causality: Bradford Hill Criteria - I

The Bradford Hill criteria are a group of principles that provide a framework to determine a causal relationship between a specific factor and a disease. There are nine criteria that are pivotal in assessing causality in epidemiological studies. Here's a closer look at Strength, Consistency, Specificity, and Temporality criteria with definitions and examples:
Nursing Diagnosis01:22

Nursing Diagnosis

Following assessment, a nursing diagnosis is the next step in the nursing process. It begins after the nurse has collected and recorded the patient data. The purpose of diagnosing is to identify how the client responds to actual or potential health processes, identify factors that bestow or that cause health problems, the etiologies, and identify resources or strengths the individual, group, or community can draw on to prevent or resolve problems.
The nursing diagnosis focuses on evidence-based...
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Bulimia Nervosa

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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Related Experiment Video

Updated: Jun 19, 2026

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
07:56

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

Published on: January 29, 2018

The need for consistent criteria for identifying malnutrition.

L John Hoffer

    Nestle Nutrition Workshop Series. Clinical & Performance Programme
    |October 28, 2009
    PubMed
    Summary

    Inconsistent malnutrition diagnosis hinders medical education and research. Standardizing criteria and recognizing protein-energy malnutrition (PEM) as a disease are crucial for accurate clinical practice and trials.

    Area of Science:

    • Medicine
    • Nutrition Science
    • Clinical Research

    Background:

    • Lack of consistent diagnostic criteria for malnutrition and protein-energy malnutrition (PEM) complicates medical education, clinical trials, and guideline development.
    • Existing screening and diagnostic tools for malnutrition exhibit variable agreement, indicating a need for standardization.
    • The ambiguity of the term 'malnutrition' necessitates clearer definitions and diagnostic approaches.

    Purpose of the Study:

    • To address the challenges posed by inconsistent malnutrition diagnostic criteria.
    • To propose a framework for improving the diagnosis and understanding of protein-energy malnutrition (PEM).
    • To enhance the reliability of clinical trials and medical education regarding malnutrition.

    Main Methods:

    Related Experiment Videos

    Last Updated: Jun 19, 2026

    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
    07:56

    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

    Published on: January 29, 2018

  • Analysis of current diagnostic practices and tools for malnutrition and PEM.
  • Proposal of a 'narrative-interpretive' reasoning approach for PEM diagnosis, viewing it as a pathophysiological entity.
  • Recommendations for distinguishing between screening and diagnosis in clinical practice.

    • Main Results:

    • Identified significant problems arising from the lack of standardized malnutrition diagnostic criteria.
    • Highlighted the variability and lack of agreement among current malnutrition screening and diagnostic tools.
    • Advocated for a conceptual shift in understanding PEM as a disease rather than a score.

    Conclusions:

    • Emphasized the need to avoid the unqualified use of the term 'malnutrition' due to its ambiguity.
    • Recommended integrating the concept of PEM as a disease into medical education, practice, and research.
    • Suggested enrolling only unambiguously diagnosed PEM patients in prospective trials until a widely accepted nutritional paradigm is established.