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Related Concept Videos

Obesity01:24

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 Patients01:21

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 Distribution01:25

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 Excretion01:20

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...
Population Growth00:57

Population Growth

Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.However, realistic environmental conditions limit the number of...
Hypodermis01:02

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...

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Related Experiment Video

Updated: Jul 20, 2026

Multidisciplinary Approach to Obesity Management: A Case Report
05:10

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Obesity: person and population.

Mark B Cope1, David B Allison

  • 1Department of Nutrition Sciences, University of Alabama at Birmingham, Ryals Public Health Building 327, 1665 University Boulevard, Birmingham, AL 35294, USA.

Obesity (Silver Spring, Md.)
|August 26, 2006
PubMed
Summary

Obesity prevalence is rising globally across all demographics. Lasting population-level changes in obesity require comprehensive, lifelong lifestyle modifications, as current individual treatments show limited success.

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Area of Science:

  • Public Health
  • Epidemiology
  • Genetics

Background:

  • Rising global obesity prevalence affects all demographics.
  • Current interventions yield modest success in combating obesity.
  • Obesity has complex genetic and environmental determinants that are challenging to isolate.

Purpose of the Study:

  • To review the multifaceted nature of obesity.
  • To evaluate the efficacy of current obesity treatments.
  • To propose a framework for achieving enduring population-level changes in adiposity.

Main Methods:

  • Literature review of obesity prevalence, contributing factors, and treatment outcomes.
  • Analysis of genetic and environmental influences on obesity.
  • Assessment of the long-term impact of lifestyle interventions.

Main Results:

  • Obesity is a pervasive issue with increasing prevalence.
  • Existing treatments, often individual-focused and short-term, have limited effectiveness.
  • Genetic and environmental factors contribute significantly but are difficult to pinpoint.

Conclusions:

  • Current approaches to obesity management are insufficient for long-term population-level impact.
  • Sustained changes in lifestyle across the entire lifespan are necessary for effective obesity reduction.
  • Future strategies must address the complex interplay of genetics, environment, and lifelong behaviors.