Obesity and Risk of COVID-19 Infection and Severity: Available Evidence and Mechanisms

Link to article at PubMed

Adv Exp Med Biol. 2021;1321:97-107. doi: 10.1007/978-3-030-59261-5_8.


The coronavirus disease 2019 (COVID-19) pandemic has resulted in worldwide research efforts to recognize people at greatest risk of developing critical illness and dying. Growing numbers of reports have connected obesity to more severe COVID-19 illness and death. Although the exact mechanism by which obesity may lead to severe COVID-19 outcomes has not yet been determined, the mechanisms appear to be multifactorial. These include mechanical changes of the airways and lung parenchyma, systemic and airway inflammation, and general metabolic dysfunction that adversely affect pulmonary function and/or response to treatment. As COVID-19 continues to spread worldwide, clinicians should carefully monitor and manage obese patients for prompt and targeted treatment.

PMID:33656716 | DOI:10.1007/978-3-030-59261-5_8

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