the problem with vitamin D is there's a lot of confounders that D is a proxy for, particularly met-syn and old age, so until there's actual mechanistic descript

the problem with vitamin D is there's a lot of confounders that D is a proxy for, particularly met-syn and old age, so until there's actual mechanistic descriptions for how D inhibits covid severity, i'm remaining cautiously-optimistic-bordering-on-skeptical about its curative powers.