What The Study Did: The results of this study suggest that cumulative exposure to cigarette smoke is an independent risk factor for hospital admission and death from COVID-19.
Authors: Katherine E. Lowe, M.Sc., of the Cleveland Clinic Lerner College of Medicine of Case Western Reserve in Cleveland, is the corresponding author.
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(doi:10.1001/jamainternmed.2020.8360)
Editor's Note: The article includes conflicts of interest and funding/support disclosures. 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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Journal
JAMA Internal Medicine