This is just a shot in the dark but check your vitamin d levels. I am just getting backup the level of activity that I was at after going through a similar situation where I went from running 20+ miles a week to not being able to walk a half mile. 3+ months of vitamin D for me started to move the needle in the right direction.

How did you go about testing and treating? Is this a thing a regular doctor can have tested? I have friends that swear by naturopaths and they usually say they start with lots of tests for vitamin levels.

> I was doing CrossFit 6 days a week.

Your muscles (and blood) rebuild on rest days.

So vigorous daily Crossfit would kill you. (see rhabdo)

Nobody, for example, runs a daily marathon, or even half-marathon.

Also, if you're OC enough to do that, you prolly have other issues too.

I’ve recently started a regime of CBD and have wondered if it’s helped my health. Of course, it could be placebo and totally unrelated.