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    Home > Food News > Nutrition News > Can red meat be eaten freely?

    Can red meat be eaten freely?

    • Last Update: 2021-06-28
    • Source: Internet
    • Author: User
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    Original Zhong Kai
     
    Red meat, including pork, beef and mutton, has been the most important source of animal protein for humans since ancient times
    .
    But in recent decades, with the rise of nutritional science, it has been questioned more and more, for example, it has more saturated fat and cholesterol
    .
    In 2018, the International Cancer Research Center also included red meat and processed meat products on the list of carcinogens
    .
    Just when everyone turned "red meat is unhealthy" into common sense, another study came to the opposite conclusion
    .
    A recent article published in the Annals of Internal Medicine argues that there is no need to reduce the intake of red meat or processed meat products
    .
     
     
    The study was jointly completed by 14 scientists from 7 countries, led by McMaster University School of Medicine in Canada
    .
    They systematically analyzed all existing research evidence, focusing on randomized controlled studies and observational studies to analyze the effects of red meat and processed meat products on cancer and heart disease
    .
    Among them, there are 12 randomized controlled studies involving 54,000 people.
    The results did not find a significant correlation between the intake of red meat and processed meat products and heart disease, diabetes or cancer
    .
    In addition, there are more than 100 cohort studies (tracking observation) data involving 6 million people.
    The results found that eating red meat or processed meat products three times a week can weakly reduce the risk of the above diseases, but this conclusion is very big Uncertainty
    .
    how about it? Are you confused again? Do you want to eat or not?
     
     
    This research is obviously contrary to the existing dietary guidelines, especially the headlines of media reports have subverted "common sense", but the scientific community has different views
    .
    For example, the Harvard School of Public Health has publicly responded to this, and they analyzed that
    .
    1.
    The cohort data of 6 million people involved in the study shows that reducing red meat and processed meat products can significantly reduce cancer, cardiovascular disease and overall mortality.
    This conclusion is consistent with previous studies and does not have any "subversion of common sense.
    " Ingredients
    .
    2.
    The study attempts to analyze the long-term health effects of reducing red meat intake, but for various reasons (including cost, difficulty in implementation, etc.
    ), such a clinically controlled study has never been done
    .
    Therefore, the author used two similar studies to fill the number, one of which was later excluded, and the other was actually a study on a low-fat diet, not a study on reducing red meat intake
    .
    In other words, the conclusion of "don't reduce red meat intake" is almost the result of a single study
    .
    (The scientific community has always believed that "solitary evidence is not established")
    3.
    The reason why the effect of reducing red meat is not obvious is that "eat 3 less per week" is not enough.
    If you follow the dietary guidelines, you can reduce more and the effect will be more obvious.
    You must know that you eat 2- There are a lot of "carnivores" with 3 servings of red meat
    .
    4.
    The study adopted the controversial "GRADE" evidence grading method and copied the experience in the clinical field of drugs.
    As a result, some academic circles considered high-quality cohort studies to be considered "very unreliable"
    .
    In fact, if you analyze according to the evidence classification method of the study, most of the existing dietary recommendations are completely ignored.
    It is obviously wrong to eat what you like
    .
     
     
    How should ordinary people view this research?
    my suggestion is:
    1.
    Both "red meat is not good for health" and "red meat is good for health" both make sense.
    The key is quantity
    .
    2.
    Both "red meat can be eaten freely" and "red meat should not be eaten as much as possible" are unreasonable.
    The key is quantity
    .
    3.
    Red meat should not be demonized or eaten open.
    It is the most sensible choice to eat in moderation according to the dietary guidelines
    .
    4.
    Scientific research is gradual, and existing conclusions may be overturned, but it is difficult to completely overturn the dietary pagoda.
    Therefore, it is also the best choice to focus on adjusting the dietary structure
    .
     
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