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    Home > Food News > Food Articles > iScience: Focus on obesity-related health issues rather than weight loss

    iScience: Focus on obesity-related health issues rather than weight loss

    • Last Update: 2021-10-19
    • Source: Internet
    • Author: User
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    Editor in charge: Food Science

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    Over the past 40 years, the number of obese people worldwide has tripled
    .
    At the same time, behaviors such as dieting and weight loss are also proliferating

    .
    However, a review article published on September 20 in the journal iScience ("Intersection Science") of Cell Press showed that increasing physical activity and strengthening physical fitness seem to be more important than weight loss in terms of maintaining health and reducing the risk of death.
    Effective

    .
    The author said that the use of weight-neutral methods to treat obesity-related health problems can also reduce the health risks caused by repeated dieting

    .

    "We want people to know that fat can also be healthy.
    A healthy body has various shapes and sizes

    .
    " said Glenn Gaesser of Arizona State University, one of the authors of the article.
    "But we realized that in a body obsessed with weight In our culture, it can be a challenge to get attention for projects that don’t focus on weight loss

    .
    We are not opposed to weight loss, we just believe that it should not be the primary criterion for judging the success of intervention projects

    .

    One of the authors of the article, Siddhartha Angadi of the University of Virginia, said: "This is especially important when you consider the physical reality of obesity
    .
    Weight is a highly hereditary trait, and weight loss is associated with major metabolic changes.
    It hinders the maintenance of weight loss

    .
    "

    Obesity is associated with many health conditions, including cardiovascular disease, diabetes, cancer, and bone and joint problems
    .
    But weight swings (that is, irregular diets) can also cause health problems, including muscle atrophy, fatty liver, and diabetes

    .
    The author says that by focusing on health rather than losing weight, people can gain more benefits from exercise while avoiding the risk of repeated weight

    .

    Current public health guidelines recommend that adults perform 150-300 minutes of moderate-intensity physical activity (equivalent to walking at a leisure to brisk pace) or 75-150 minutes of high-intensity physical activity (equivalent to jogging or running) per week.
    Intensity)

    .

    "But it is important to note that the benefits of exercise depend on the quantity.
    The biggest benefit is to get out of the sofa area and do at least some moderate-intensity activities

    .
    " Gaesser said, "It is also important to emphasize that physical activity can be used throughout the day.
    Do it multiple times

    .
    For example, multiple short walks throughout the day (even if as short as 2 to 10 minutes each time) have the same health benefits as a long walk

    .
    "

    In the review, the authors also cited a recent study that compared the reduction in mortality caused by weight loss with the reduction in mortality associated with increased physical activity or cardiorespiratory health
    .
    The reduction in the risk of death brought about by the latter two is always greater than intentional weight loss

    .

    The authors also studied the reduction in cardiovascular disease risk markers associated with weight loss or increased physical activity
    .
    They used meta-analysis from multiple studies that covered different times and wide geographic areas

    .
    Gaesser pointed out: "Scientific evidence basically supports the main point I made in the book "The Big Lie" first published in 1996.

    "

    On the other hand, researchers also acknowledge the limitations of existing research, including that the field relies heavily on epidemiological research, and these studies cannot determine causality
    .
    They also pointed out that only large-scale randomized controlled clinical trials can fully verify the effect of using fitness-focused methods on the risk of cardiometabolic death in obese people

    .

    "However, in general, these epidemiological studies show why meta-analysis is useful,
    " Angadi said.
    "In terms of physical activity and health, epidemiological evidence is supported by a large number of experimental studies and randomized controlled trials.
    , They establish a credible mechanism for consistent findings in epidemiological research

    .
    "

    Article source: Tang Yichen of Science Net
    .
    The picture comes from Photograph.
    com

    .
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