Apropos to a submission about Vitamin D that was a couple of links above this article is the fact that it ignores quality of life.

Sometimes it seems that medical researchers don't actually care about health, they only care about numbers, because numbers are easy.

During an annual checkup a couple of years back I mentioned that I had "been feeling down and sluggish quite a bit lately" and my doctor said "hmmm, might be vitamin d, we'll see with your bloodwork".

Wonder of wonders my vitamin d was low, I started supplementing it, and once my levels got back to normal I unquestionably, irrefutably, CAUSATIONALLY, felt better. My quality of life improved.

I didn't know Vitamin D was tied to energy and mental health issues. Sure there are at-home tests now, but there weren't any back then and I wouldn't have known to take one anyways.

How many people are living shitty lives because of something simple that could be caught during an annual blood test?

Researchers: "We don't care, those numbers are hard to get. Deaths are easy to count."