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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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How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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Taste Buds and Receptors01:20

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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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Regulation of Food Intake01:30

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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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Maslow's Theory of Basic Human Needs01:28

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Maslow's hierarchy is described with the help of a pyramidal shape. The most fundamental needs, physiological needs, are at the bottom of the pyramid.
Physiological needs such as hunger, thirst, sex, physical comfort, and survival are at the bottom of the pyramid. These are the components that are necessary to sustain life. Once the first level of needs has been met, the second level arises.
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Related Experiment Video

Updated: Dec 26, 2025

A Treatment Package without Escape Extinction to Address Food Selectivity
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Food insecurity: how to recognize and address it.

Lillian Amèzquita1, Paul George1

  • 1The Warren Alpert Medical School, Brown University, Providence, RI, USA.

The Journal of Family Practice
|March 18, 2020
PubMed
Summary

A brief survey can identify families facing food insecurity. This screening tool helps pinpoint at-risk patient populations for targeted support.

Area of Science:

  • Public Health
  • Health Disparities
  • Nutrition Security

Background:

  • Patient populations face varied risks due to socioeconomic factors.
  • Food insecurity is a significant health determinant affecting vulnerable groups.
  • Early identification of at-risk families is crucial for intervention.

Purpose of the Study:

  • To introduce a concise survey for identifying food-insecure families.
  • To assess the utility of a 2-question screening tool in clinical settings.

Main Methods:

  • Development of a brief, 2-question survey instrument.
  • Pilot testing of the survey within diverse patient populations.

Main Results:

  • The 2-question survey effectively identified families experiencing food insecurity.

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  • The screening method proved practical for routine clinical use.

    • Conclusions:

    • A simple survey can serve as an effective tool for detecting food insecurity.
    • This approach aids in identifying and addressing health risks associated with food insecurity in patient populations.