News Release 

Are more head impacts during NFL career associated with increased risk of death?

JAMA Network Open

What The Study Did: Nearly 14,000 current and former National Football League (NFL) players were included in an observational study that examined whether a greater amount of repeated head impacts throughout a professional football career were associated with increased risk of death.

Authors: Brittany L. Kmush, Ph.D., of Syracuse University in Syracuse, New York, 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.2020.4442)

Editor's Note: The article includes funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflicts of interest and financial disclosures, and funding and support.

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Media advisory: The full study is linked to this news release.

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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.

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