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Dietary Connections

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...

Key Elements for Plant Nutrition

Key Elements for Plant Nutrition

Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the atmosphere, the...

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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 adipocytes...

Absorption of Nutrients

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Microbial Nutrition

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Fats as Energy Storage Molecules

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Related Experiment Video

Updated: Jun 2, 2026

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Published on: July 29, 2020

Cubans team up for better nutrition.

|April 13, 2011

Summary

Cuban dietary habits reveal a concerning trend of high sugar intake and insufficient fruits and vegetables. Many prefer fried foods, red meat, and saturated fats over healthier options.

Area of Science:

Nutrition Science
Public Health
Dietary Patterns

Background:

Understanding dietary habits is crucial for public health.
Cuban diet is characterized by specific food preferences.

Purpose of the Study:

To investigate the typical daily dietary intake of Cubans.
To identify desired food choices for a daily menu among Cubans.

Main Methods:

Nationwide survey of Cuban dietary habits.
Interviews on typical daily food consumption and preferences.

Main Results:

High consumption of sugar, fried foods, red meat, and saturated fats.
Low intake of fruits and vegetables reported.
Preference for processed and less nutritious foods.

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The Caco-2 Cell Bioassay for Measurement of Food Iron Bioavailability

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Last Updated: Jun 2, 2026

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Published on: July 29, 2020

The Caco-2 Cell Bioassay for Measurement of Food Iron Bioavailability

The Caco-2 Cell Bioassay for Measurement of Food Iron Bioavailability

Published on: April 28, 2022

Conclusions:

Majority of Cubans exhibit unhealthy dietary patterns.
Significant need for interventions promoting healthier food choices in Cuba.