Causes of vitamin D deficiency include intestinal malabsorption which can be seen with celiac disease or Crohn's disease, not enough UV light exposure, like in homebound, elderly populations.
Basking in the joy of knowing someone with a name as redolent of human history as Archimedes got me through at least three more days of homebound humdrum.
But I had one strange bright spot in my locked in homebound routine, a weekly Zoom call with the genius director, writer, and producer Ryan Coogler of Black Panther, Fruitvale Station, and Creed fame.