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    Home > Food News > Nutrition News > Not all dietary fiber is created equal

    Not all dietary fiber is created equal

    • Last Update: 2022-05-28
    • Source: Internet
    • Author: User
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    Researchers at Columbia University Mailman School of Public Health and colleagues assessed whether dietary fiber intake is associated with reduced inflammation in older adults and whether fiber is inversely associated with cardiovascular disease
    .
    The results showed that total fiber, especially grain fiber, but not fruit or vegetable fiber, was consistently associated with lower inflammation and lower rates of cardiovascular disease

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    So far, data on the relationship between fiber and inflammation have been limited in older adults, who have higher levels of inflammation compared to younger adults

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    The findings were published in the journal JAMA Network Open

    .

    Data for the study came from a large, well-characterized prospective cohort of older adults and included detailed data on dietary intake, inflammation, and cardiovascular disease incidence
    .
    The study confirms previously observed links between dietary fiber and cardiovascular disease and extends these studies to include sources of fiber, the relationship of fiber to multiple markers of inflammation, and whether inflammation mediates the relationship between dietary fiber and cardiovascular disease.
    The relationship between vascular disease

    .

    Cardiovascular Health Study of 4,125 adults from 1989 to 1990.
    Participants received food frequency questionnaires administered to those without cardiovascular disease prevalence registry followed by follow-up visits to develop cardiovascular disease (stroke, myocardial infarction, atherosclerotic heart disease).
    Vascular Death), adopted June 2015

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    Blood samples were evaluated for markers of inflammation

    .

    "Consuming more dietary fiber is associated with a lower risk of cardiovascular disease
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    A common hypothesis is that higher fiber intake reduces inflammation, which in turn reduces the risk of cardiovascular disease

    .
    "

    Dr.
    Rupak Shivakoti, assistant professor of epidemiology at Columbia Mailman School, said

    .
    "Based on the findings of this study, we now know that a specific type of dietary fiber -- grain fiber -- rather than fruit or vegetable fiber, is associated with lower inflammation

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    " With the findings of this study, we now know that grain fiber There is potential to reduce inflammation, which needs to be tested in future interventional studies

    .
    "

    While there is data to suggest that fiber in general may act as an anti-inflammatory by improving gut function, improving diet and satiety (eg, reducing fat and total energy intake), and improving lipid and glucose metabolism, Shivakoti points out why The association of grain fiber, but not vegetable or fruit fiber, with lower inflammation is unclear, and further research is needed
    .
    In addition, he noted, it is unclear whether the grain fiber itself or other nutrients in grain fiber-rich foods drive the observed relationship

    .

    "Furthermore, we learned that inflammation has only a small role in mediating the inverse association between cereal fiber and cardiovascular disease," Shivakoti observes
    .
    "This suggests that factors other than inflammation may play a role in cereal fiber-related effects.
    A larger role in cardiovascular disease reduction needs to be tested in future interventions in specific populations

    .
    "

    Co-authors are from Columbia University Mailman School of Public Health; University of Washington; Brigham and Women's Hospital; Harvard Medical School; Boston Veterans Healthcare; University of Vermont Larner School of Medicine; San Francisco Veterans Affairs Healthcare System; ; Kaiser Permanente Washington Institute of Health; New York School of Medicine; Beth Israel Deaconess Medical Center; and Harvard Chan School of Public Health

    This research was supported by the National Heart, Lung, and Blood Institute, the National Institute of Neurological Disorders and Stroke, and the Eunice Kennedy Shriver National Institute of Child Health and Human Development
    .

    Columbia University Mailman School of Public Health

    Founded in 1922, Columbia University's Mailman School of Public Health is dedicated to research, education and service to address critical and complex public health issues affecting New Yorkers, the nation, and the world
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    Columbia Postman College is the fourth largest school of public health funded by the NIH

    .
    Its nearly 300 multidisciplinary faculty work in more than 100 countries around the world, addressing issues such as infectious and chronic disease prevention, environmental health, maternal and child health, health policy, climate change and hygiene, and public health preparedness

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    It is a leader in public health education, with more than 1,300 graduate students from 55 countries pursuing a variety of master's and doctoral degree programs

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    Columbia Postman College is also home to a number of world-renowned research centers, including ICAP and the Center for Infection and Immunity

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    For more information, visit

    .

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