Study on 1.5 million Swedish men finds outstanding correlation between physical fitness at 18 years of age and severity of Covid-19 infection later in life. High muscle strength was associated with less severity in viral infection. https://t.co/WhDk1uBDr7

— Wrath Of Gnon (@wrathofgnon) July 9, 2021

That is completely not surprising to me. Being fit and strong protects you from so many things. Conversely, being fat and unhealthy (which almost always go together, contra FA nutty buddies) makes you fragile and weak.