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Exercise and Cardiovascular Response01:20

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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
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Obesity01:24

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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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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.
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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.
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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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Exercise Stress Test01:26

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Introduction
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Physical exercise consequences on memory in obesity: A systematic review.

Ricardo Augusto Leoni De Sousa1,2,3, Letícia Gomes Santos1,2, Paulo Maurício Lopes1,2,4

  • 1Physical Education Department, Federal University of the Valleys of Jequitinhonha and Mucuri (UFVJM), Diamantina, Brazil.

Obesity Reviews : an Official Journal of the International Association for the Study of Obesity
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PubMed
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Physical exercise, including resistance and endurance training, benefits memory in obese individuals and animal models. Exercise interventions effectively prevent and reduce cognitive impairment and memory loss associated with obesity.

Keywords:
dementiaobesityoverweightphysical activity

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Area of Science:

  • Neuroscience
  • Exercise Physiology
  • Metabolic Disorders

Background:

  • Obesity is linked to cognitive deficits, particularly affecting memory.
  • Understanding interventions that mitigate these effects is crucial for public health.

Purpose of the Study:

  • To systematically review the impact of physical exercise on memory in obesity.
  • To synthesize findings from human and animal studies on exercise and obesity-related memory changes.

Main Methods:

  • Systematic literature search in PubMed, Lilacs, and Scielo databases.
  • Inclusion of 16 studies examining physical exercise interventions in obesity and memory.
  • Analysis of exercise intensity, type, and animal models used.

Main Results:

  • 100% of studies showed positive effects of exercise on memory in obese humans.
  • 81.8% of animal studies reported positive impacts of physical exercise on memory in obesity models.
  • Treadmill and wheel running were common exercise protocols in animal models.

Conclusions:

  • Exercise training, regardless of type (resistance or endurance), is a promising intervention for preventing and treating cognitive impairment in obesity.
  • Physical exercise demonstrates efficacy in improving memory functions in both obese humans and animal models.
  • Further research could explore specific exercise parameters and their effects on different aspects of memory in obesity.