Journal article

Modifiable lifestyle factors and severe COVID-19 risk: a Mendelian randomisation study

Shuai Li, Xinyang Hua

BMC MEDICAL GENOMICS | BMC | Published : 2021


BACKGROUND: Lifestyle factors including obesity and smoking are suggested to be correlated with increased risk of COVID-19 severe illness or related death. However, whether these relationships are causal is not well known; neither for the relationships between COVID-19 severe illness and other common lifestyle factors, such as physical activity and alcohol consumption. METHODS: Genome-wide significant genetic variants associated with body mass index (BMI), lifetime smoking, physical activity and alcohol consumption identified by large-scale genome-wide association studies (GWAS) of up to 941,280 individuals were selected as instrumental variables. Summary statistics of the genetic variants o..

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