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    The scientific foundation for the physical activity guidelines for Americans, 2nd edition

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    Author
    Powell, K.E.
    King, A.C.
    Buchner, D.M.
    Date
    2019
    Journal
    Journal of Physical Activity and Health
    Publisher
    Human Kinetics Publishers Inc.
    Type
    Article
    
    Metadata
    Show full item record
    See at
    https://dx.doi.org/10.1123/jpah.2018-0618
    Abstract
    Background: The 2018 Physical Activity Guidelines Advisory Committee Scientific Report provides the evidence base for the Physical Activity Guidelines for Americans, 2nd Edition. Methods: The 2018 Physical Activity Guidelines Advisory Committee addressed 38 questions and 104 subquestions selected for their public health relevance, potential to inform public policies and programs, maturity of the relevant science, and applicability to the general US population. Rigorous systematic literature searches and literature reviews were performed using standardized methods. Results: Newly described benefits of physical activity include reduced risk of excessive weight gain in children and adults, incidence of 6 types of cancer, and fall-related injuries in older people. Physical activity is associated with enhanced cognitive function and mental health across the life span, plus improved mental health and physical function. There is no threshold that must be exceeded before benefits begin to accrue; the accrual is most rapid for the least active individuals. Sedentary time is directly associated with elevated risk of all-cause and cardiovascular mortality, incident cardiovascular disease and type 2 diabetes, and selected cancer sites. A wide range of intervention strategies have demonstrated success in increasing physical activity. Conclusion: The 2018 Physical Activity Guidelines Advisory Committee Scientific Report provides compelling new evidence to inform physical activity recommendations, practice, and policy. Copyright 2019 Human Kinetics, Inc.
    Keyword
    disease prevention
    Exercise
    Health Promotion
    Public Health
    Identifier to cite or link to this item
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85060099895&doi=10.1123%2fjpah.2018-0618&partnerID=40&md5=6be061fb95abb02a301082d6f39e1c50; http://hdl.handle.net/10713/8705
    ae974a485f413a2113503eed53cd6c53
    10.1123/jpah.2018-0618
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