[bpodgursky]

The rest of the world is fascinated by simple but effective "hacks" like wearing a mask. There are a lot of simple hacks that end up being real.

[m0llusk]

Both masks and Vitamin D are helpful and those at risk or in areas of great spread should consider both. This is similar to masks and face shields offering a multiplier effect. The big difference is that sufficient Vitamin D levels are strongly correlated with numerous metrics of good health including immune, metabolic, and muscle-skeletal system measures.