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Related Concept Videos

Obesity01:24

Obesity

1.6K
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...
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Drug Dosing: Obese Patients01:21

Drug Dosing: Obese Patients

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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...
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Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

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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...
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Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

330
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...
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Bulimia Nervosa01:30

Bulimia Nervosa

1.1K
Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Binge Eating Disorders01:23

Binge Eating Disorders

832
Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
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Related Experiment Video

Updated: May 5, 2026

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
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Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

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Obesity as a medical problem.

P G Kopelman1

  • 1St Bartholomew's & The Royal London School of Medicine, Queen Mary & Westfield College, UK. P.G.Kopelman@mds.qmw.ac.uk

Nature
|April 15, 2000
PubMed
Summary
This summary is machine-generated.

Obesity is a growing global health crisis, surpassing undernutrition and infections as a major cause of illness. It is linked to serious conditions like diabetes, heart disease, and cancer, demanding urgent attention.

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Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
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Area of Science:

  • Public Health
  • Epidemiology
  • Metabolic Disorders

Background:

  • Obesity is a significant global health issue, increasingly prevalent worldwide.
  • It is associated with severe health conditions including diabetes mellitus, coronary heart disease, cancers, and sleep-breathing disorders.
  • Traditional definitions using body-mass index (BMI) do not fully capture the health risks, particularly those related to intra-abdominal fat.

Purpose of the Study:

  • To highlight the escalating global epidemic of obesity.
  • To underscore the multifaceted health consequences of obesity beyond cosmetic concerns.
  • To emphasize the need to address obesity as a major public health threat.

Main Methods:

  • Review of current epidemiological data on obesity prevalence.
  • Analysis of established associations between obesity and major non-communicable diseases.
  • Discussion of the etiological factors contributing to the obesity epidemic.

Main Results:

  • Obesity is emerging as a leading cause of morbidity and mortality globally.
  • A strong correlation exists between obesity and the development of chronic diseases.
  • Factors such as genetic predisposition, increased access to high-calorie foods, and reduced physical activity drive the epidemic.

Conclusions:

  • Obesity is a complex epidemic with profound implications for global health.
  • It requires a shift in perspective from an individual cosmetic issue to a widespread public health challenge.
  • Addressing the root causes of obesity is critical for improving worldwide well-being.