There's a good documentary about the John Hopkins research on treating drug resistant depression with psilocybin which unfortunately isn't available any more via the BBC: https://www.bbc.co.uk/programmes/m000w7bq
From my limited personal experience and having attended various psychedelic talks and integration workshops etc., set, setting and (post) support are all really key to help turn what can be a potentially life changing/affirming/challenging event into a beneficial one.
From my limited personal experience and having attended various psychedelic talks and integration workshops etc., set, setting and (post) support are all really key to help turn what can be a potentially life changing/affirming/challenging event into a beneficial one.