What if there was a single therapy available with strong evidence that it: a) boosts immune function and reduces inflammation (the most important physiological mechanisms determining the severity of COVID-19 infections); b) prevents and treats most of the chronic diseases that increase risk of severe COVID-19 infections; and c) can reduce anxiety and depression produced by the health, economic, and social isolation stress of the pandemic? Every health care professional would demand urgent production of that agent to be prescribed to every patient infected with the coronavirus, and the world would demand that agent be given prophylactically to everyone.@en