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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 adipocytes...

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...

Exercise and Muscle Performance

Exercise and Muscle Performance

Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...

Exercise and Cardiovascular Response

Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...

Exercise and Cardiac Output

Exercise and Cardiac Output

Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...

Exercise Stress Test

Exercise Stress Test

Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes

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A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats

A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats

Published on: April 28, 2023

Exercise for the overweight and obese.

Jessica Gold¹, Mark S Gold

¹Yale University School of Medicine, New Haven, CT, USA. gold.jessi@gmail.com

Current Pharmaceutical Design

|April 16, 2011

Summary

This summary is machine-generated.

Developing effective obesity treatments is difficult. This paper suggests enhancing exercise adherence and its reinforcing effects could offer a novel therapeutic strategy for obesity management.

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A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats

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Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults

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Published on: December 1, 2023

Area of Science:

Obesity research
Behavioral medicine
Pharmacology

Background:

Pharmacological treatments for obesity face significant challenges, often leading to severe comorbidities and reliance on surgical interventions.
Current interventions for non-surgical obesity candidates are often insufficient, mirroring outdated approaches for addiction.
Modern lifestyles and pervasive environmental cues promote overconsumption, exacerbating obesity and eating disorders.

Purpose of the Study:

To review current challenges in obesity treatment.
To explore novel therapeutic avenues beyond traditional pharmacological and dietary interventions.
To propose increasing exercise adherence and its reinforcing properties as a potential treatment strategy.

Main Methods:

Brief review of consensus on consumption and exercise.
Conceptual exploration of exercise as a primary reinforcer.
Discussion of potential mechanisms for increasing exercise adherence and reward.

Main Results:

Existing pharmacological and behavioral interventions for obesity have limited success.
Self-medication with substances of abuse is dangerous and unsustainable.
Novel anti-obesity compounds have shown mixed results, often compared against dietary counseling.

Conclusions:

Novel obesity treatments may benefit from focusing on enhancing the reinforcing value of exercise.
Increasing exercise adherence could be a viable strategy to combat obesity.
Further research into making exercise a powerful brain reinforcer, similar to food or drugs, is warranted.