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Significance of this study
What is already known on this subject?
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Poor metabolic health and unhealthy lifestyle behaviours have been associated with higher risk and severity of COVID-19.
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Improved nutrition, especially in the context of socioeconomic deprivation, has been shown to reduce the burden of certain infectious diseases in the past. Evidence on the association of diet quality with susceptibility and progression of COVID-19 is lacking.
What are the new findings?
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A dietary pattern characterised by healthy plant-based foods was associated with lower risk and severity of COVID-19.
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We found evidence of a synergistic association of poor diet and increased socioeconomic deprivation with COVID-19 risk that was higher than the sum of the risk associated with each factor alone.
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The beneficial association of diet with COVID-19 risk seems particularly relevant among individuals living in areas of higher socioeconomic deprivation.
How might it impact on clinical practice in the foreseeable future?
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Our study suggests that efforts to address disparities in COVID-19 risk and severity should consider specific attention to improve nutrition as a social determinants of health.
To read more click here: https://gut.bmj.com/content/70/11/2096
