One hypothesis is that metformin could directly target the SARS-CoV-2 virus.
Liebovitz added that metformin is able to reduce oxidative stress on cells, as well as reduce inflammation.
Will Metformin Be Used to venture to Prevent Long COVID?

Illustration by Zoe Hansen for Verywell Health.
Thats the only way to lead to new discoveries and a better understanding of the condition.
The impact on patients lives and livelihoods is tremendous, he said.
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