About The Study: In this cohort study, fine particulate matter (PM2.5) and ozone exposure was independently associated with worse cardiac remodeling and function in patients with breast cancer treated with cardiotoxic therapy. These findings highlight the importance of modifying environmental exposures to mitigate cardiovascular disease risk.
Corresponding Author: To contact the corresponding author, Bonnie Ky, MD, MSCE, email bonnie.ky@pennmedicine.upenn.edu .
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(doi:10.1001/jamanetworkopen.2025.52323)
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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