About The Study: In this study of 7,600 adults with accelerometer measurements of sedentary time and physical activity, greater accumulation of light-intensity and moderate- to vigorous-intensity physical activity were both associated with a reduced risk of stroke while greater time spent being sedentary and longer bouts of sedentary time were associated with an increased risk of stroke.

Authors: Steven P. Hooker, Ph.D., of San Diego State University in San Diego, is the corresponding author.

To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ 

(doi:10.1001/jamanetworkopen.2022.15385)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.