A BMI indicates whether you re healthy for your height and weight (Image: Getty)
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GP Dr Ann Donnelly said: “In July, Public Health England (PHE) noted that a BMI of 35 to 40 could increase risk of dying with Covid by 40 percent, while a BMI of over 40 could increase this risk by 90 percent.
“At the University of Cambridge, Stephen O’Rahilly explained when we carry excess fat it accumulates in the liver and skeletal muscle.
“This disturbs our metabolism, and in particular, causes high insulin levels.
“This, in turn increases inflammatory cytokines [immune-fighting proteins] and reduces adiponectin, which normally protects the lungs.”