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Related Concept Videos

Conditioned Taste Aversion01:14

Conditioned Taste Aversion

Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single exposure...
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Taste Buds and Receptors

Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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Other Disorders of Digestive System

The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Allergic Reactions

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Drug Toxicity: Allergic Reactions

Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to a...
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Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
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Related Experiment Video

Updated: May 25, 2026

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold (TDT) Test
08:52

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold (TDT) Test

Published on: April 21, 2021

Intolerance to food additives - does it exist?

Paul J Turner1, Andrew S Kemp

  • 1Department of Allergy and Immunology, The Children's Hospital at Westmead and University of Sydney, Sydney, New South Wales, Australia. pault1@chw.edu.au

Journal of Paediatrics and Child Health
|February 11, 2012
PubMed
Summary
This summary is machine-generated.

Food intolerance, a non-immunological reaction, is often misdiagnosed. Objective testing confirms non-allergic food hypersensitivity in a small fraction of suspected cases, differentiating it from food allergies.

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Taste Exam: A Brief and Validated Test
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Related Experiment Videos

Last Updated: May 25, 2026

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold (TDT) Test
08:52

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold (TDT) Test

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Measuring Oral Fatty Acid Thresholds, Fat Perception, Fatty Food Liking, and Papillae Density in Humans
10:29

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Taste Exam: A Brief and Validated Test
07:10

Taste Exam: A Brief and Validated Test

Published on: August 17, 2018

Area of Science:

  • Clinical immunology
  • Gastroenterology
  • Pediatric allergy

Background:

  • Food intolerance is frequently misidentified with adverse food reactions.
  • A precise definition involves objectively reproducible symptoms without immunological mechanisms.
  • Non-allergic food hypersensitivity is distinct from immune-mediated food allergies.

Purpose of the Study:

  • To clarify the definition and diagnostic criteria for food intolerance.
  • To differentiate non-allergic food hypersensitivity from food allergies.
  • To assess the prevalence of confirmed non-allergic food hypersensitivity in children.

Main Methods:

  • Review of existing literature and diagnostic criteria for food intolerance.
  • Comparison of immunological mechanisms in food allergies versus non-allergic food hypersensitivity.
  • Analysis of reported cases and diagnostic outcomes in children experiencing adverse food reactions.

Main Results:

  • Food intolerance requires objectively reproducible symptoms and lacks an immunological basis.
  • Reported adverse reactions in children range from skin conditions to behavioral changes.
  • Confirmed non-allergic food hypersensitivity is significantly less common than suspected reactions, with only 1 in 20 cases verified.

Conclusions:

  • Accurate diagnosis of food intolerance is crucial, distinguishing it from food allergies.
  • Non-allergic food hypersensitivity is a specific condition requiring objective confirmation.
  • The high rate of suspected food reactions in children warrants careful diagnostic evaluation to identify true hypersensitivity.