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Related Concept Videos

Obesity01:24

Obesity

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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...
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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

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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

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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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Nonconscious Mimicry01:13

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Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
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A Laboratory Method to Measure Contagious Yawning in Rats
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Is obesity contagious?

Russ Lopez1

  • 1a Department of Environmental Health, Boston University School of Public Health, Talbot 2E, 715 Albany Street, Boston, MA 02118, USA. rptlopez@bu.edu.

Expert Review of Endocrinology & Metabolism
|February 13, 2019
PubMed
Summary
This summary is machine-generated.

Obesity spreads through social networks, with friends having a stronger influence than family. This suggests social factors, not just genetics, drive weight gain and offers new public health intervention strategies.

Keywords:
Framingham Heart Studyfriendshipobesityset point theory

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Area of Science:

  • Public Health
  • Social Epidemiology
  • Obesity Research

Background:

  • Obesity is a significant public health concern with complex contributing factors.
  • Understanding the social dynamics of weight gain is crucial for effective interventions.

Purpose of the Study:

  • To investigate the influence of social networks on weight gain.
  • To determine if social connections impact obesity spread over time.

Main Methods:

  • Utilized longitudinal data from the Framingham Heart Study.
  • Analyzed weight changes in relation to social ties (friends, siblings, spouses).

Main Results:

  • Observed similar weight gain patterns among friends.
  • Found that the influence of friends on weight gain was stronger than that of siblings or spouses.

Conclusions:

  • Social norms, shared environments, and peer influence play a significant role in weight gain.
  • Intervention strategies leveraging social marketing and peer support may effectively combat obesity.