[throwawayboise]

> You can't run a complex machine like a human body and never, ever do any analysis to ensure it's running within acceptable levels.

Well, it's been how humans have lived for the vast majority of the time we've existed. You don't even have to go back 100 years and medicine was closer to superstition than science.

[victorwho86]

I think the difference is that now we live in an artificial environment with new problems. few people would have had vitamin D insufficiency before industrialization

[edejong]

And a lot of practiced medicine, unfortunately, still is.