Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Obesity

Obesity

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...

Drug Dosing: Obese Patients

Drug Dosing: Obese Patients

In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...

Hypodermis

Hypodermis

The hypodermis (the subcutaneous layer or superficial fascia) is present directly below the dermis. It connects the skin to the underlying fascia (fibrous tissue) of the bones and muscles. It is not strictly a part of the skin, although the border between the hypodermis and dermis can be difficult to distinguish. The hypodermis consists of well-vascularized, loose, areolar connective tissue and adipose tissue, which functions as a mode of fat storage and provides insulation and cushioning for...

Carbohydrate Metabolism

Carbohydrate Metabolism

Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Federal Nutrition Assistance Programs and UltraProcessed Food Intake among Preschool-Aged Children.

Current developments in nutrition·2025

Same author

Implementation Research at NHLBI: Methodological and Design Challenges and Lessons Learned from the DECIPHeR Initiative.

Ethnicity & disease·2024

Same author

Childhood obesity prevention trials: A systematic review and meta-analysis on trial design and the impact of type 1 error.

Obesity reviews : an official journal of the International Association for the Study of Obesity·2024

Same author

Design of a dual randomized trial in a type 2 hybrid effectiveness-implementation study.

Implementation science : IS·2023

Same author

Associations between food and beverage purchases and skin carotenoids among diverse small food retail store customers.

Public health nutrition·2023

Same author

Diversity of plant DNA in stool is linked to dietary quality, age, and household income.

Proceedings of the National Academy of Sciences of the United States of America·2023

Search research articles

Related Experiment Video

Updated: Jul 2, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

Do the obese know they are obese?

Kimberly P Truesdale¹, June Stevens

¹Department of Nutrition, School of Public Health, University of North Carolina at Chapel Hill , USA. kim_truesdale@unc.edu

North Carolina Medical Journal

|August 30, 2008

Summary

Many obese adults struggle to recognize their weight status. This misperception may hinder their motivation to manage weight and heed health advice regarding obesity.

Area of Science:

Public Health
Nutrition Science
Health Psychology

Background:

Accurate perception of weight status is crucial for health behavior change.
Obesity is a significant public health concern, necessitating effective public health interventions.
Understanding self-perception of weight categories is key to addressing obesity-related health disparities.

Purpose of the Study:

To assess adults' accuracy in identifying their weight status category.
To evaluate participants' ability to report weight thresholds for different BMI categories.
To explore potential implications of misperceptions on health-related behaviors.

Main Methods:

Measured height and weight in 104 adults aged 45-64.
Calculated Body Mass Index (BMI) to classify participants into weight categories (underweight, normal, overweight, obese).

More Related Videos

Multidisciplinary Approach to Obesity Management: A Case Report

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Published on: June 21, 2019

Related Experiment Videos

Last Updated: Jul 2, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

Multidisciplinary Approach to Obesity Management: A Case Report

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions

Published on: June 21, 2019

Collected self-reported weight status and perceived weight thresholds for category changes.

Main Results:

A low percentage of obese individuals correctly identified their weight status (22.2% of women, 6.7% of men).
Normal weight individuals accurately estimated the weight needed to be classified as obese.
Obese individuals significantly overestimated the weight required to be classified as obese.

Conclusions:

Obese adults demonstrate a significant inability to accurately self-classify their weight status.
Misperceptions of obesity may lead to reduced motivation for weight management and health.
Limitations include a small, non-representative sample, suggesting further research is needed.