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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...

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...

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 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...

Hypothalamic-Pituitary Axis

Hypothalamic-Pituitary Axis

The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.

Gonadal and Placental Hormones

Gonadal and Placental Hormones

The gonads, namely the testes in males and the ovaries in females, are pivotal in producing gonadal hormones that orchestrate the intricate processes of sexual development and reproduction.
In males, testosterone is the primary gonadal androgen. It plays a central role in the maturation of male reproductive organs — the penis and testes. Additionally, testosterone is instrumental in the development of secondary sexual characteristics — a deep voice as well as facial and pubic hair...

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Related Experiment Video

Updated: Mar 21, 2026

Multidisciplinary Approach to Obesity Management: A Case Report

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Obesity and Hypogonadism.

Steven Lamm¹, Aaron Chidakel¹, Rohan Bansal¹

¹Department of Medicine, NYU Langone Preston Robert Tisch Center for Men's Health, 555 Madison Avenue, 2nd Floor, New York, NY 10022, USA.

The Urologic Clinics of North America

|May 3, 2016

Summary

Obesity and male hypogonadism are increasing, with a complex bidirectional relationship. Treating one condition may help alleviate the other, offering new therapeutic insights.

Area of Science:

Endocrinology
Metabolic disorders
Men's health

Background:

The prevalence of obesity is rising globally, reaching epidemic proportions.
Male hypogonadism incidence is also increasing, impacting men's health.
The interplay between obesity and hypogonadism is complex and bidirectional.

Purpose of the Study:

To explore the intricate relationship between obesity and male hypogonadism.
To understand the causative and correlative factors linking these two conditions.
To investigate the potential benefits of treating one condition on the other.

Main Methods:

Literature review of existing studies on obesity and hypogonadism.
Analysis of epidemiological data on the prevalence of both conditions.

Keywords:

Diabetes Hypogonadism Obesity Testosterone

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Exploration of physiological mechanisms connecting obesity and testosterone levels.

Main Results:

Obesity contributes to hypogonadism through various mechanisms, including altered hormone metabolism and increased inflammation.
Hypogonadism can exacerbate obesity by affecting body composition and metabolic rate.
Emerging evidence suggests a reciprocal worsening of both conditions.

Conclusions:

The relationship between obesity and hypogonadism is a significant public health concern.
Targeting obesity may improve outcomes for men with hypogonadism.
Further research is needed to elucidate optimal treatment strategies for co-existing obesity and hypogonadism.