https://aeon.co/essays/could-the-brain-produce-its-own-psychedelic-compound
blake9999 Well-Known Member Mar 25, 2018 #1 https://aeon.co/essays/could-the-brain-produce-its-own-psychedelic-compound
Bugeye Well-Known Member Mar 27, 2018 #2 Interesting article, some great references for further reading.