Now this is super interesting. Metformin is one of the oldest drugs out there and its benefits keep growing. https://www.metafilter.com/198511/Metformin-may-help-prevent-Long-COVID
Metformin may help prevent Long COVID

'I don’t use the term breakthrough lightly.' The latest Ground Truths from Eric Topol discusses a new randomized, placebo-controlled trial of metformin, with a 42% reduction of subsequent Long...