> I don’t think there is any acute disease associated with Vitamin-D deficiency (which most indoors people have), though it makes you pretty unhealthy if you do

> I don’t think there is any acute disease associated with Vitamin-D deficiency (which most indoors people have), though it makes you pretty unhealthy if you don’t have enough of it. For children https://en.wikipedia.org/wiki/Rickets https://en.wikipedia.org/wiki/Rickets an a few more in https://en.wikipedia.org/wiki/Vitamin_D_deficiency https://en.wikipedia.org/wiki/Vitamin_D_deficiency > Boron [...], Sunlight [...], ... They are not vitamins, because they are in other lists.