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Related Concept Videos

Lifestyle Factors and Health01:20

Lifestyle Factors and Health

Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
Close Relationships and Culture01:29

Close Relationships and Culture

Culture shapes how people approach attraction, choose partners, and build long-term relationships. While some preferences in mate selection appear consistent across cultures, such as men valuing physical attractiveness and women emphasizing financial resources, cultural contexts influence how these preferences are expressed and prioritized. Marriage extends beyond romantic ideals in many societies and is deeply embedded in social, economic, and religious frameworks.The Role of Culture in Mate...
Self-Schemas02:16

Self-Schemas

In general, a schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
Dietary Connections01:23

Dietary Connections

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 as energy sources to produce...
Regulation of Food Intake01:30

Regulation of Food Intake

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...
Bias in Epidemiological Studies01:29

Bias in Epidemiological Studies

Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:

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Related Experiment Video

Updated: Jul 5, 2026

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents
09:10

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Published on: November 1, 2019

Does social class predict diet quality?

Nicole Darmon1, Adam Drewnowski

  • 1INRA, UMR1260, Nutriments Lipidiques et Prévention des Maladies Métaboliques, Marseille, France. nicole.darmon@univmed.fr

The American Journal of Clinical Nutrition
|May 13, 2008
PubMed
Summary
This summary is machine-generated.

Diet quality is linked to socioeconomic status (SES). Lower SES individuals consume nutrient-poor, energy-dense diets, while higher SES individuals eat healthier foods. This review explores the causal relationship between SES and diet quality.

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Last Updated: Jul 5, 2026

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents
09:10

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Published on: November 1, 2019

Area of Science:

  • Nutrition Science
  • Public Health
  • Socioeconomic Determinants of Health

Background:

  • Epidemiologic data consistently show a socioeconomic gradient in diet quality.
  • Higher socioeconomic status (SES) is associated with healthier diets, while lower SES is linked to nutrient-poor, energy-dense food consumption.

Purpose of the Study:

  • To explore the potential causal mechanisms linking socioeconomic status (SES) and diet quality.
  • To examine how SES influences food choices and the implications for health and health promotion strategies.

Main Methods:

  • This review synthesizes existing epidemiologic data and theoretical mechanisms.
  • It examines the associations between SES variables and diet quality measures, considering energy costs and food accessibility.

Main Results:

  • Higher SES individuals consume more whole grains, lean meats, fish, low-fat dairy, fruits, and vegetables.
  • Lower SES individuals tend to consume more refined grains and added fats.
  • SES appears to affect diet quality (micronutrient intake) but not total energy intake or macronutrient composition.

Conclusions:

  • The observed associations between SES and diet quality may be explained by factors like the cost and accessibility of energy-dense versus nutrient-dense foods.
  • Understanding the causal link is crucial for evaluating the effectiveness of health promotion strategies targeting low-income populations and for interpreting health outcomes in epidemiologic studies.