There are multiple books and research on the subject. For people that have had psychedelic experiences, the link between religion/spirituality and these experi

There are multiple books and research on the subject. For people that have had psychedelic experiences, the link between religion/spirituality and these experiences, as well as the practices that produce them, is undeniable. Here are some additional links besides the ones provided in sibling comments: https://psychedelictimes.com/amanita-muscaria-and-psilocybin-in-early-christian-art-interview-with-jerry-brown/ https://psychedelictimes.com/amanita-muscaria-and-psilocybin... https://www.amazon.com/gp/product/1620555026/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1620555026&linkCode=as2&tag=psychedelgosp-20&linkId=H2PPURLYYF6WDE5L https://www.amazon.com/gp/product/1620555026/ref=as_li_tl?ie...