About The Study: In this cohort study, bereavement was associated with increased cardiovascular disease risk both before and during the COVID-19 pandemic; however, a stronger association for partner or sibling loss was noted during the pandemic. These findings suggest that bereavement may be a period of heightened cardiovascular vulnerability, underscoring the importance of targeted clinical monitoring and preventive care for bereaved individuals.
Corresponding Author: To contact the corresponding author, Fen Yang, MD, PhD, email fen.yang@ki.se.
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(doi:10.1001/jamanetworkopen.2026.9102)
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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