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Obesity is the single biggest risk factor for a serious Covid infection.
Nearly 80 percent of people being treated in intensive care for Covid are overweight or obese, a new study has discovered—and the most obese also had the greatest risk of dying from the infection.
Those with the highest BMI (body mass index) were more than twice as likely to die or suffer severe symptoms, say researchers from the University of Gothenburg in Sweden. They had profiled 1,649 Covid patients who needed intensive care treatment during the first phase of the Covid epidemic between March and August last year.
The risk from obesity remained the same even after the researchers had accounted for heart disease, high blood pressure, diabetes or liver and kidney disease, suggesting it is an independent risk factor.
(Source: PLOS ONE, 2021; 16: e0257891)
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