I lived in a house where someone had hanged themselves just outside the corridor my room was in, funnily enough I started to self harm and behave very oddly while living there, eventually I ended up trying to commit suicide and got put in a psych ward. However I experienced nothing paranormal at all. Probably coincidence, I don't believe in ghosts.
I was really a very normal kid before that, everything went downhill from then on...
That is absolutely wild. I don't think I believe in ghosts in the traditional sense, but I do believe that an energy imprint of a person's suffering, joy, anger, really any profound experience in a certain place can be so strong that it kinda... Leaves echoes behind? If that makes sense, that's my theory. I've never seen a ghost, but I've certainly experienced paranormal energetic phenomenon that can't be explained by the scientific world.
I honestly don't know what type of person would be able to identify lasting effects of something like that for you let alone heal it, I'd be skeptical as hell, but have you tried looking into it?