dial a shaman

https://www.theguardian.com/film/2017/may/12/cary-grant-how-100-acid-trips-in-tinseltown-changed-my-life-lsd-documentary

http://www.hopkinsmedicine.org/news/media/releases/hallucinogenic_drug_psilocybin_eases_existential_anxiety_in_people_with_life_threatening_cancer_

https://www.theguardian.com/science/2017/may/08/daily-dose-of-cannabis-extract-could-reverse-brains-decline-in-old-age-study-suggests-thc

https://medicalxpress.com/news/2017-04-evidence-higher-state-consciousness.html

http://www.ibtimes.co.uk/earliest-dated-rock-art-southern-africa-depicts-shamans-journey-world-spirits-1615320

https://www.theguardian.com/science/2017/jan/26/lsd-study-reveals-why-acid-trips-last-so-long-lysergic-acid-diethylamide-serotonin