I have never gotten any benefits from psychedelics whatsoever. Sure they are fun and mind blowing but I have never experienced a tangible improvement in my mental health. Actually I had a bad trip and that has had a negative impact on my mental health I had depersonalisation and anxiety for months after.
It's not about the initial injury. How are you going to find food when you can't move properly? How are you going to avoid predators? If you are alone and not in a group that can help you with these things until you heal it's pretty much a death sentence.
I honestly hate the "Haha I NEED my coffee isn't my addiction so quirky haha?" thing some people have. And the same as weed addicts they constantly feel the need to justify their addiction it really irritates me.