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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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Bulimia Nervosa01:30

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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 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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Anorexia Nervosa01:28

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Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
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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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Updated: Mar 29, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
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Obesity, Nutrition and the Multiple Sclerosis Risk in Adolescents.

Marta Giovengo1, Margherita Rosa2, Claudia Mandato1,2

  • 1Department of Medicine and Surgery, Scuola Medica Salernitana, University of Salerno, 84084 Salerno, Italy.

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|March 27, 2026
PubMed
Summary

Pediatric obesity may drive neuroinflammation in Multiple Sclerosis (MS) via the gut-brain axis. Nutritional interventions and therapies like GLP-1 agonists show promise for managing MS and obesity.

Keywords:
GLP-1 agonistsgut microbiotagut–liver–brain axismediterranean dietmultiple sclerosisneuroinflammationpediatric obesity

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Area of Science:

  • Neuroimmunology
  • Microbiome Research
  • Pediatric Neurology

Background:

  • Multiple Sclerosis (MS) is a chronic autoimmune neurological disease influenced by genetics and environment.
  • Rising MS incidence, especially in children, coincides with the global obesity pandemic.
  • The gut-brain axis and systemic inflammation are implicated in MS pathogenesis.

Purpose of the Study:

  • To explore the causal link between pediatric obesity, systemic inflammation, and neuroinflammation.
  • To investigate the role of the microbiota-gut-liver-brain axis in MS.
  • To evaluate nutritional strategies and emerging therapies for MS.

Main Methods:

  • Review of current literature on pediatric obesity, MS, and the gut-brain axis.
  • Analysis of how dietary habits influence gut microbiota and systemic inflammation.
  • Evaluation of the potential of Mediterranean Diet (MD) and Glucagon-Like Peptide-1 (GLP-1) agonists.

Main Results:

  • Pediatric obesity can induce gut dysbiosis and 'leaky gut', potentially disrupting the blood-brain barrier (BBB) and activating microglia.
  • Alterations in microbiota-driven metabolites are linked to neuroinflammation.
  • The Mediterranean Diet (MD) may offer protective effects against MS.

Conclusions:

  • Pediatric obesity is a significant factor contributing to MS pathogenesis through inflammation and gut-brain axis disruption.
  • Nutritional interventions and therapies targeting the gut microbiome and metabolic pathways are promising for MS management.
  • GLP-1 agonists present a dual therapeutic potential for weight management and immune modulation in MS.