Crazy tangent here with context - I remember a couple of random unexpected posts I read on a forum about I think digestion issues around 2014.
Psilocybin, see this guy posted, that twice, it cured his colourblindness, first time temporarily, then it seemed permanently the second time, so I did a quick search for this post and what do you know, it's a thing:
Then there are also the studies and reports that it also helps PTSD victims., for e.g.:
Fungus is literally mind-blowing (expanding I believe is the correct term) in more ways than one, but tbh, I have to take other peoples word for it and watch documentaries, nor am I endorsing you run out and start eating mushrooms off the local golf course! No no, this post is not medical or medicinal advice, more of a "did you know", trivial pursuit type intervention.
Whoa, check out the mycelium on that State man, it's humongous... . 