1. Marks M, Cohen IG. Psychedelic therapy: a roadmap for wider acceptance and utilization. Nat Med. 2021;27(10):1669-1671.

2. Alcohol and Drug Foundation (ADF). Dissociatives. Available at https://adf.org.au/drug-facts/dissociatives/. Last accessed June 13, 2023.

3. Adams JD Jr, Garcia C. Spirit, mind and body in Chumash healing. Evid Based Complement Alternat Med. 2005;2(4):459-463.

4. Evans WC, Woolley JG. The alkaloids of Datura meteloides D.C. J Chem Soc Perkin1. 1965;4936-4939.

5. De Gregorio D, Aguilar-Valles A, Preller KH, et al. Hallucinogens in mental health: preclinical and clinical studies on LSD, psilocybin, MDMA, and ketamine. J Neurosci. 2021;41(5):891-900.

6. US Food and Drug Administration (FDA). Breakthrough Therapy. Available at https://www.fda.gov/patients/fast-track-breakthrough-therapy-accelerated-approval-priority-review/breakthrough-therapy. Last accessed June 13, 2023.

7. Oregon Health Authority (OHA). Oregon Psilocybin Services. Available at https://www.oregon.gov/oha/ph/preventionwellness/pages/oregon-psilocybin-services.aspx. Last accessed June 13, 2023.

8. Muthukumaraswamy SD, Forsyth A, Lumley T. Blinding and expectancy confounds in psychedelic randomized controlled trials. Expert Rev Clin Pharmacol. 2021;14(9):1133-1152.

9. Rosenbaum D, Weissman C, Anderson T, et al. Microdosing psychedelics: demographics, practices, and psychiatric comorbidities.J Psychopharmacol. 2020;34(6):612-622.

10. Johnson MW, Griffiths RR, Hendricks PS, Henningfield JE. The abuse potential of medical psilocybin according to the 8 factors of the Controlled Substances Act. Neuropharmacology. 2018;142:143-166.

11. Borowiak KS, Ciechanowski K, Waloszczyk P. Psilocybin mushroom (Psilocybe semilanceata) intoxication with myocardial infarction.J Toxicol Clin Toxicol. 1998;36(1-2):47-49.

12. Anderson T, Petranker R, Christopher A, et al. Psychedelic microdosing benefits and challenges: an empirical codebook. Harm Reduct J. 2019;16(1):43.

13. Cavanna F, Muller S, de la Fuente LA, et al. Microdosing with psilocybin mushrooms: a double-blind placebo-controlled study.Transl Psychiatry. 2022;12(1):307.

14. Dos Santos RG, Osório FL, Crippa JAS, Riba J, Zuardi AW, Hallak JEC. Antidepressive, anxiolytic, and antiaddictive effects of ayahuasca, psilocybin and lysergic acid diethylamide (LSD): a systematic review of clinical trials published in the last 25 years.Ther Adv Psychopharmacol. 2016;6(3):193-213.

15. Schenberg EE. Ayahuasca and cancer treatment. SAGE Open Med. 2013;1:2050312113508389.

16. Pomilio AB, Vitale AA, Ciprian-Ollivier J, Cetkovich-Bakmas M, Gómez R, Vázquez G. Ayahoasca: an experimental psychosis that mirrors the transmethylation hypothesis of schizophrenia. J Ethnopharmacol. 1999;65(1):29-51.

17. Barbosa PCR, Mizumoto S, Bogenschutz MP, Strassman RJ. Health status of ayahuasca users. Drug Test Anal. 2012;4(7-8):601-609.

18. Lesiak AD, Musah RA. Application of ambient ionization high resolution mass spectrometry to determination of the botanical provenance of the constituents of psychoactive drug mixtures. Forensic Sci Int. 2016;266:271-280.

19. González D, Cantillo J, Pérez I, et al. Therapeutic potential of ayahuasca in grief: a prospective, observational study. Psychopharmacology (Berl). 2020;237(4):1171-1182.

20. Ona G, Kohek M, Massaguer T, et al. Ayahuasca and public health: health status, psychosocial well-being, lifestyle, and coping strategies in a large sample of ritual ayahuasca users. J Psychoactive Drugs. 2019;51(2):135-145.

21. Riba J, Rodríguez-Fornells A, Urbano G, et al. Subjective effects and tolerability of the South American psychoactive beverage ayahuasca in healthy volunteers. Psychopharmacology (Berl). 2001;154(1):85-95.

22. Uthaug MV, van Oorsouw K, Kuypers KPC, et al. Sub-acute and long-term effects of ayahuasca on affect and cognitive thinking style and their association with ego dissolution. Psychopharmacology (Berl). 2018;235(10):2979-2989.

23. Palhano-Fontes F, Barreto D, Onias H, et al. Rapid antidepressant effects of the psychedelic ayahuasca in treatment-resistant depression: a randomized placebo-controlled trial. Psychol Med. 2019;49(4):655-663.

24. Kaasik H, Souza RCZ, Zandonadi FS, Tófoli LF, Sussulini A. Chemical composition of traditional and analog ayahuasca. J Psychoactive Drugs. 2021;53(1):65-75.

25. dos Santos RG. A critical evaluation of reports associating ayahuasca with life-threatening adverse reactions. J Psychoactive Drugs. 2013;45(2):179-188.

26. Sanches RF, de Lima Osório F, Dos Santos RG, et al. Antidepressant effects of a single dose of ayahuasca in patients with recurrent depression: a SPECT study. J Clin Psychopharmacol. 2016;36(1):77-81.

27. Osório F de L, Sanches RF, Macedo LR, et al. Antidepressant effects of a single dose of ayahuasca in patients with recurrent depression: a preliminary report. Braz J Psychiatry. 2015;37(1):13-20.

28. Thomas G, Lucas P, Capler NR, Tupper KW, Martin G. Ayahuasca-assisted therapy for addiction: results from a preliminary observational study in Canada. Curr Drug Abuse Rev. 2013;6(1):30-42.

29. Siebert DJ. Salvia divinorum and salvinorin A: new pharmacologic findings. J Ethnopharmacol. 1994;43(1):53-56.

30. Mello SM, Soubhia PC, Silveira G, et al. Effect of ritualistic consumption of ayahuasca on hepatic function in chronic users.J Psychoactive Drugs. 2019;51(1):3-11.

31. Dos Santos RG, Osório F de L, Rocha JM, et al. Ayahuasca improves self-perception of speech performance in subjects with social anxiety disorder: a pilot, proof-of-concept, randomized, placebo-controlled trial. J Clin Psychopharmacol. 2021;41(5):540-550.

32. Dos Santos RG, Grasa E, Valle M, et al. Pharmacology of ayahuasca administered in two repeated doses. Psychopharmacology (Berl). 2012;219(4):1039-1053.

33. dos Santos RG. Safety and side effects of ayahuasca in humans--an overview focusing on developmental toxicology. J Psychoactive Drugs. 2013;45(1):68-78.

34. Sklerov J, Levine B, Moore KA, King T, Fowler D. A fatal intoxication following the ingestion of 5-methoxy-N,N-dimethyltryptamine in an ayahuasca preparation. J Anal Toxicol. 2005;29(8):838-841.

35. Palma-Álvarez RF, Grau-López L, Ros-Cucurull E, et al. Psychosis induced by abuse of ayahuasca: a case report. Rev Colomb Psiquiatr (Engl Ed). 2021;50(1):43-46.

36. Zhao T, He YQ, Wang J, Ding KM, Wang CH, Wang ZT. Inhibition of human cytochrome P450 enzymes 3A4 and 2D6 by β-carboline alkaloids, harmine derivatives. Phytother Res. 2011;25(11):1671-1677.

37. Callaway JC, Grob CS. Ayahuasca preparations and serotonin reuptake inhibitors: a potential combination for severe adverse interactions. J Psychoactive Drugs. 1998;30(4):367-369.

38. Kremer C, Paulke A, Wunder C, Toennes SW. Variable adverse effects in subjects after ingestion of equal doses of Argyreia nervosa seeds. Forensic Sci Int. 2012;214(1-3):e6-e8.

39. López-Giménez JF, González-Maeso J. Hallucinogens and serotonin 5-HT2A receptor-mediated signaling pathways. Curr Top Behav Neurosci. 2018;36:45-73.

40. Paulke A, Kremer C, Wunder C, Wurglics M, Schubert-Zsilavecz M, Toennes SW. Identification of legal highs--ergot alkaloid patterns in two Argyreia nervosa products. Forensic Sci Int. 2014;242:62-71.

41. Al-Assmar SE. The seeds of the Hawaiian baby woodrose are a powerful hallucinogen. Arch Intern Med. 1999;159(17):2090.

42. Shawcross WE. Recreational use of ergoline alkaloid from Argyreia nervosa. J Psychoactive Drugs. 1983;15(4):251-259.

43. Vigor C, Fabre N, Fourasté I, Moulis C. Neoclerodane diterpenoids from Croton eluteria. J Nat Prod. 2002;65(8):1180-1182.

44. Mazoyer C, Carlier J, Boucher A, Péoc'h M, Lemeur C, Gaillard Y. Fatal case of a 27-year-old male after taking iboga in withdrawal treatment: GC-MS/MS determination of ibogaine and ibogamine in iboga roots and postmortem biological material. J Forensic Sci. 2013;58(6):1666-1672.

45. Rodriguez P, Urbanavicius J, Prieto JP, et al. A single administration of the atypical psychedelic ibogaine or its metabolite noribogaine induces an antidepressant-like effect in rats. ACS Chem Neurosci. 2020;11(11):1661-1672.

46. Grogan J, Gerona R, Snow JW, Kao L. Ibogaine consumption with seizure-like episodes, QTc-prolongation, and captured cardiac dysrhythmias. J Emerg Med. 2019;57(4):e99-e104.

47. Steinberg C, Deyell MW. Cardiac arrest after ibogaine intoxication. J Arrhythm. 2018;34(4):455-457.

48. Litjens RPW, Brunt TM. How toxic is ibogaine? Clin Toxicol (Phila). 2016;54(4):297-302.

49. Malcolm BJ, Polanco M, Barsuglia JP. Changes in withdrawal and craving scores in participants undergoing opioid detoxification utilizing ibogaine. J Psychoactive Drugs. 2018;50(3):256-265.

50. Alper KR, Lotsof HS, Frenken GM, Luciano DJ, Bastiaans J. Treatment of acute opioid withdrawal with ibogaine. Am J Addict. 1999;8(3):234-242.

51. Sheppard SG. A preliminary investigation of ibogaine: case reports and recommendations for further study. J Subst Abuse Treat. 1994;11(4):379-385.

52. Noller GE, Frampton CM, Yazar-Klosinski B. Ibogaine treatment outcomes for opioid dependence from a twelve-month follow-up observational study. Am J Drug Alcohol Abuse. 2018;44(1):37-46.

53. Davis AK, Barsuglia JP, Windham-Herman AM, Lynch M, Polanco M. Subjective effectiveness of ibogaine treatment for problematic opioid consumption: short- and long-term outcomes and current psychological functioning. J Psychedelic Stud. 2017;1(2):65-73.

54. O'Connell CW, Gerona RR, Friesen MW, Ly BT. Internet-purchased ibogaine toxicity confirmed with serum, urine, and product content levels. Am J Emerg Med. 2015;33(7):985.e5-e6.

55. Vlaanderen L, Martial LC, Franssen EJF, van der Voort PHJ, Oosterwerff E, Somsen GA. Cardiac arrest after ibogaine ingestion.Clin Toxicol (Phila). 2014;52(6):642-643.

56. Hoelen DWM, Spiering W, Valk GD. Long-QT syndrome induced by the antiaddiction drug ibogaine. N Engl J Med. 2009;360(3):308-309.

57. Paling FP, Andrews LM, Valk GD, Blom HJ. Life-threatening complications of ibogaine: three case reports. Neth J Med. 2012;70(9):422-424.

58. Pleskovic A, Gorjup V, Brvar M, Kozelj G. Ibogaine-associated ventricular tachyarrhythmias. Clin Toxicol (Phila). 2012;50(2):157.

59. Henstra M, Wong L, Chahbouni A, Swart N, Allaart C, Sombogaard F. Toxicokinetics of ibogaine and noribogaine in a patient with prolonged multiple cardiac arrhythmias after ingestion of internet purchased ibogaine. Clin Toxicol (Phila). 2017;55(6):600-602.

60. Knuijver T, Schellekens A, Belgers M, et al. Safety of ibogaine administration in detoxification of opioid dependent individuals: a descriptive open-label observational study. Addiction. 2022;117(1):118-128.

61. Papadodima SA, Dona A, Evaggelakos CI, Goutas N, Athanaselis SA. Ibogaine related sudden death: a case report. J Forensic Leg Med. 2013;20(7):809-811.

62. Meisner JA, Wilcox SR, Richards JB. Ibogaine-associated cardiac arrest and death: case report and review of the literature. Ther Adv Psychopharmacol. 2016;6(2):95-98.

63. Aćimović T, Atanasijević T, Denić K, Lukić V, Popović V, Bogdanović M. Death due to consumption of ibogaine: case report. Forensic Sci Med Pathol. 2021;17(1):126-129.

64. U.S. Drug Enforcement Administration Diversion Control Division. Code of Federal Regulations: §1307.31 Native American Church. Available at https://www.ecfr.gov/current/title-21/chapter-II/part-1307/subject-group-ECFR68c82f2ca866120/section-1307.31. Last accessed June 12, 2023.

65. Glue P, Winter H, Garbe K, et al. Influence of CYP2D6 activity on the pharmacokinetics and pharmacodynamics of a single 20 mg dose of ibogaine in healthy volunteers. J Clin Pharmacol. 2015;55(6):680-687.

66. Brown RT, Nicholas CR, Cozzi NV, et al. Pharmacokinetics of escalating doses of oral psilocybin in healthy adults. Clin Pharmacokinet. 2017;56(12):1543-1554.

67. Higgins GA, Carroll NK, Brown M, et al. Low doses of psilocybin and ketamine enhance motivation and attention in poor performing rats: evidence for an antidepressant property. Front Pharmacol. 2021;12:640241.

68. Hesselgrave N, Troppoli TA, Wulff AB, Cole AB, Thompson SM. Harnessing psilocybin: antidepressant-like behavioral and synaptic actions of psilocybin are independent of 5-HT2R activation in mice. Proc Natl Acad Sci U S A. 2021;118(17):e2022489118.

69. Winter JC, Rice KC, Amorosi DJ, Rabin RA. Psilocybin-induced stimulus control in the rat. Pharmacol Biochem Behav. 2007;87(4):472-480.

70. Kometer M, Schmidt A, Bachmann R, Studerus E, Seifritz E, Vollenweider FX. Psilocybin biases facial recognition, goal-directed behavior, and mood state toward positive relative to negative emotions through different serotonergic subreceptors. Biol Psychiatry. 2012;72(11):898-906.

71. Griffiths RR, Johnson MW, Carducci MA, et al. Psilocybin produces substantial and sustained decreases in depression and anxiety in patients with life-threatening cancer: a randomized double-blind trial. J Psychopharmacol. 2016;30(12):1181-1197.

72. Bogenschutz MP, Forcehimes AA, Pommy JA, Wilcox CE, Barbosa PCR, Strassman RJ. Psilocybin-assisted treatment for alcohol dependence: a proof-of-concept study. J Psychopharmacol. 2015;29(3):289-299.

73. Grob CS, Danforth AL, Chopra GS, et al. Pilot study of psilocybin treatment for anxiety in patients with advanced-stage cancer.Arch Gen Psychiatry. 2011;68(1):71-78.

74. Griffiths RR, Johnson MW, Richards WA, et al. Psilocybin-occasioned mystical-type experience in combination with meditation and other spiritual practices produces enduring positive changes in psychological functioning and in trait measures of prosocial attitudes and behaviors. J Psychopharmacol. 2018;32(1):49-69.

75. Hasler F, Grimberg U, Benz MA, Huber T, Vollenweider FX. Acute psychological and physiological effects of psilocybin in healthy humans: a double-blind, placebo-controlled dose-effect study. Psychopharmacology (Berl). 2004;172(2):145-156.

76. Bienemann B, Ruschel NS, Campos ML, Negreiros MA, Mograbi DC. Self-reported negative outcomes of psilocybin users: a quantitative textual analysis. PLoS One. 2020;15(2):e0229067.

77. Carbonaro TM, Johnson MW, Griffiths RR. Subjective features of the psilocybin experience that may account for its self-administration by humans: a double-blind comparison of psilocybin and dextromethorphan. Psychopharmacology (Berl). 2020;237(8):2293-2304.

78. Anderson BT, Danforth A, Daroff R, et al. Psilocybin-assisted group therapy for demoralized older long-term AIDS survivor men: an open-label safety and feasibility pilot study. EClinicalMedicine. 2020;27:100538.

79. Ross S, Bossis A, Guss J, et al. Rapid and sustained symptom reduction following psilocybin treatment for anxiety and depression in patients with life-threatening cancer: a randomized controlled trial. J Psychopharmacol. 2016;30(12):1165-1180.

80. Vargas AS, Luís Â, Barroso M, Gallardo E, Pereira L. Psilocybin as a new approach to treat depression and anxiety in the context of life-threatening diseases-a systematic review and meta-analysis of clinical trials. Biomedicines. 2020;8(9):331.

81. Carhart-Harris R, Giribaldi B, Watts R, et al. Trial of psilocybin versus escitalopram for depression. N Engl J Med. 2021;384(15):1402-1411.

82. Carhart-Harris RL, Roseman L, Bolstridge M, et al. Psilocybin for treatment-resistant depression: fMRI-measured brain mechanisms. Sci Rep. 2017;7(1):13187.

83. Carhart-Harris RL, Bolstridge M, Rucker J, et al. Psilocybin with psychological support for treatment-resistant depression: an open-label feasibility study. Lancet Psychiatry. 2016;3(7):619-627.

84. Davis AK, Barrett FS, May DG, et al. Effects of psilocybin-assisted therapy on major depressive disorder: a randomized clinical trial. JAMA Psychiatry. 2021;78(5):481-489.

85. Gukasyan N, Davis AK, Barrett FS, et al. Efficacy and safety of psilocybin-assisted treatment for major depressive disorder: prospective 12-month follow-up. J Psychopharmacol. 2022;36(2):151-158.

86. Bogenschutz MP, Ross S, Bhatt S, et al. Percentage of heavy drinking days following psilocybin-assisted psychotherapy vs placebo in the treatment of adult patients with alcohol use disorder: a randomized clinical trial. JAMA Psychiatry. 2022;79(10):953-962.

87. Bickel M, Ditting T, Watz H, et al. Severe rhabdomyolysis, acute renal failure and posterior encephalopathy after "magic mushroom" abuse. Eur J Emerg Med. 2005;12(6):306-308.

88. van Poorten JF, Stienstra R, Dworacek B, Moleman P, Rupreht J. Physostigmine reversal of psilocybin intoxication. Anesthesiology. 1982;56(4):313.

89. Dahmane E, Hutson PR, Gobburu JVS. Exposure-response analysis to assess the concentration-QTc relationship of psilocybin/psilocin. Clin Pharmacol Drug Dev. 2021;10(1):78-85.

90. Becker AM, Holze F, Grandinetti T, et al. Acute effects of psilocybin after escitalopram or placebo pretreatment in a randomized, double-blind, placebo-controlled, crossover study in healthy subjects. Clin Pharmacol Ther. 2022;111(4):886-895.

91. Studerus E, Kometer M, Hasler F, Vollenweider FX. Acute, subacute and long-term subjective effects of psilocybin in healthy humans: a pooled analysis of experimental studies. J Psychopharmacol. 2011;25(11):1434-1452.

92. Carbonaro TM, Bradstreet MP, Barrett FS, et al. Survey study of challenging experiences after ingesting psilocybin mushrooms: acute and enduring positive and negative consequences. J Psychopharmacol. 2016;30(12):1268-1278.

93. US Drug Enforcement Administration (DEA). Peyote and Mescaline Drug Fact Sheet. Available at https://www.dea.gov/sites/default/files/2020-06/Peyote%20and%20Mescaline-2020_0.pdf. Last accessed June 14, 2023.

94. Franco-Molina M, Gomez-Flores R, Tamez-Guerra P, Tamez-Guerra R, Castillo-Leon L, Rodríguez-Padilla C. In vitro immunopotentiating properties and tumour cell toxicity induced by Lophophora williamsii (peyote) cactus methanolic extract. Phytother Res. 2003;17(9):1076-1081.

95. Carstairs SD, Cantrell FL. Peyote and mescaline exposures: a 12-year review of a statewide poison center database. Clin Toxicol (Phila). 2010;48(4):350-353.

96. Nolte KB, Zumwalt RE. Fatal peyote ingestion associated with Mallory-Weiss lacerations. West J Med. 1999;170(6):328.

97. Lu BY, Woofter C, Escalona R. A case of prolonged peyote-induced psychosis resolved by sleep. J Clin Psychiatry. 2004;65(10):1433-1434.

98. Pelner L. Peyote cult, mescaline hallucinations, and model psychosis. N Y State J Med. 1967;67(21):2838-2843.

99. Valdés LJ III, Díaz JL, Paul AG. Ethnopharmacology of ska María Pastora (Salvia divinorum, Epling and Játiva-M.). J Ethnopharmacol. 1983;7(3):287-312.

100. Valdés LJ III. Salvia divinorum and the unique diterpene hallucinogen, Salvinorin (divinorin) A. J Psychoactive Drugs. 1994;26(3):277-283.

101. El-Khoury J, Sahakian N. The association of Salvia divinorum and psychotic disorders: a review of the literature and case series.J Psychoactive Drugs. 2015;47(4):286-292.

102. Halpern JH. Hallucinogens and dissociative agents naturally growing in the United States. Pharmacol Ther. 2004;102(2):131-138.

103. González D, Riba J, Bouso JC, Gómez-Jarabo G, Barbanoj MJ. Pattern of use and subjective effects of Salvia divinorum among recreational users. Drug Alcohol Depend. 2006;85(2):157-162.

104. Roth BL, Baner K, Westkaemper R, et al. Salvinorin A: a potent naturally occurring nonnitrogenous kappa opioid selective agonist. Proc Natl Acad Sci U S A. 2002;99(18):11934-11939.

105. Butelman ER, Harris TJ, Kreek MJ. The plant-derived hallucinogen, salvinorin A, produces kappa-opioid agonist-like discriminative effects in rhesus monkeys. Psychopharmacology (Berl). 2004;172(2):220-224.

106. Doss MK, May DG, Johnson MW, et al. The acute effects of the atypical dissociative hallucinogen Salvinorin A on functional connectivity in the human brain. Sci Rep. 2020;10(1):16392.

107. Vázquez-León P, Arenas-Martínez U, Córdova-Maqueda D, Fregoso-Aguilar T, Ramírez-San Juan E, Miranda-Páez A. Salvia divinorum increases alcohol intake and tonic immobility whilst decreasing food intake in Wistar rats. Acta Neurobiol Exp (Wars). 2021;81(1):34-42.

108. Addy PH, Garcia-Romeu A, Metzger M, Wade J. The subjective experience of acute, experimentally-induced Salvia divinorum inebriation. J Psychopharmacol. 2015;29(4):426-435.

109. Bücheler R, Gleiter CH, Schwoerer P, Gaertner I. Use of nonprohibited hallucinogenic plants: increasing relevance for public health? A case report and literature review on the consumption of Salvia divinorum (Diviner's Sage). Pharmacopsychiatry. 2005;38(1):1-5.

110. Gómez-Sousa M, Jiménez-Garrido DF, Ona G, et al. Acute psychological adverse reactions in first-time ritual ayahuasca users: a prospective case series. J Clin Psychopharmacol. 2021;41(2):163-171.

111. Gertsch JH, Wood C. Case report: an ingestion of Hawaiian baby woodrose seeds associated with acute psychosis. Hawaii Med J. 2003;62(6):127, 129.

112. Paulke A, Kremer C, Wunder C, Toennes SW. Analysis of lysergic acid amide in human serum and urine after ingestion of Argyreia nervosa seeds. Anal Bioanal Chem. 2012;404(2):531-538.

113. Schenberg EE, de Castro Comis MA, Chaves BR, da Silveira DX. Treating drug dependence with the aid of ibogaine: a retrospective study. J Psychopharmacol. 2014;28(11):993-1000.

114. Asua I. Growing menace of ibogaine toxicity. Br J Anaesth. 2013;111(6):1029-1030.

115. Alper KR, Stajić M, Gill JR. Fatalities temporally associated with the ingestion of ibogaine. J Forensic Sci. 2012;57(2):398-412.

116. Preller KH, Duerler P, Burt JB, et al. Psilocybin induces time-dependent changes in global functional connectivity. Biol Psychiatry. 2020;88(2):197-207.

117. Goldberg SB, Pace BT, Nicholas CR, Raison CL, Hutson PR. The experimental effects of psilocybin on symptoms of anxiety and depression: a meta-analysis. Psychiatry Res. 2020;284:112749.

118. Carhart-Harris RL, Bolstridge M, Day CMJ, et al. Psilocybin with psychological support for treatment-resistant depression: six-month follow-up. Psychopharmacology (Berl). 2018;235(2):399-408.

119. Schlag AK, Aday J, Salam I, Neill JC, Nutt DJ. Adverse effects of psychedelics: from anecdotes and misinformation to systematic science. J Psychopharmacol. 2022;36(3):258-272.

120. Uthaug MV, Mason NL, Toennes SW, et al. A placebo-controlled study of the effects of ayahuasca, set and setting on mental health of participants in ayahuasca group retreats. Psychopharmacology (Berl). 2021;238(7):1899-1910.

121. U.S. Drug Enforcement Administration. Drug Scheduling. Available at https://www.dea.gov/drug-information/drug-scheduling. Last accessed June 15, 2023.