Tsohuwar shuka na ƙasashen Amazon, ayahuasca an yi amfani da shi na dubban shekaru don warkarwa da dalilai na duba a cikin ƙasashen Peru, Colombia, Ecuador da Brazil ta hanyar shamans da mestizos na asali. Masu ba da magani na gida sun watsar da tsattsauran tsafi na shiryawa da amfani da ayahuasca daga tsara zuwa tsara. A lokacin bukukuwan waraka, ana amfani da shuka azaman kayan aikin bincike don gano musabbabin rashin lafiyar majiyyaci.
Cikakken tarihin ayahuasca ba a san shi ba, kamar yadda bayanan farko na shuka ba su bayyana ba har sai karni na 16 tare da zuwan masu ci na Spain. Duk da haka, an yi imanin cewa wani kwano na biki tare da alamun ayahuasca da aka samu a Ecuador an yi imanin cewa ya kasance fiye da shekaru 2500. Ayahuasca ita ce tushen maganin gargajiya ga aƙalla ƙabilu 75 na asali a ko'ina cikin Ƙasa da Sama na Amazon.
Shamanism shine mafi tsufa aikin ruhaniya na ɗan adam, wanda, bisa ga bayanan archaeological, an yi shi tsawon shekaru 70. Wannan ba addini ba ne, amma hanya ce ta kafa haɗin kai tare da duniyar ruhaniya ta ciki (astral). Shamans suna kallon rashin lafiya a matsayin rashin jituwa a cikin mutum akan kuzari da matakan ruhaniya. Idan ba a warware ba, rashin daidaituwa na iya haifar da rashin lafiya ta jiki ko ta tunani. Shaman "yana kira" ga bangaren makamashi na cutar, yana yin hanyar zuwa duniyar astral ko duniyar ruhohi - gaskiyar daidai da jiki.
Ba kamar sauran magunguna masu tsarki ba, ayahuasca cakuda tsire-tsire biyu ne - ayahuasca wine (Banisteriopsis caapi) и chacruna ganye (Psychotria viridis). Dukansu tsire-tsire ana girbe su ne a cikin daji, daga inda suke yin maganin da ke buɗe damar shiga duniyar ruhohi. Yadda shamans na Amazon suka fito da irin wannan haɗin ya kasance abin ban mamaki, domin akwai kusan 80 tsire-tsire masu tsire-tsire a cikin gandun daji na Amazon.
Maganar sinadarai, ganyen chacruna sun ƙunshi dimethyltryptamine mai ƙarfi na psychotropic. Da kanta, abin da ake ɗauka da baki ba ya aiki, tun da yake an narkar da shi a cikin ciki ta hanyar enzyme monoamine oxidase (MAO). Duk da haka, wasu sinadarai a cikin ayahuasca suna da masu hanawa masu cutarwa-kamar MAO, suna haifar da enzyme don kada ya daidaita mahallin psychoactive. Don haka, harmine - mai kama da sinadarai masu kama da kwayoyin tryptamines a cikin kwakwalwarmu - yana yaduwa ta cikin jini zuwa kwakwalwa, inda yake haifar da hangen nesa mai haske kuma yana ba da damar shiga wasu duniyoyi da ɓoyayyun kanmu.
A al'adance, amfani da ayahuasca a cikin ayyukan Amazonian ya iyakance ga masu warkarwa. Wani abin sha’awa shi ne, ba a ba wa duk wani mara lafiya da ya zo bikin a yi masa magani ba, abin sha. Tare da taimakon ayahuasca, masu warkarwa sun gane ikon halakar da ke shafar ba kawai mutumin da kansa ba, har ma da kabilar baki ɗaya. An kuma yi amfani da shuka don wasu dalilai: don taimakawa wajen yanke shawara mai mahimmanci; tambayi ruhohi don shawara; warware rikice-rikice na sirri (tsakanin iyalai da kabilu); bayyana abin al'ajabi ko sata da ya faru; gano idan mutum yana da abokan gaba; gano idan matar ta kasance mai aminci.
A cikin shekaru 20 da suka gabata, baki da yawa daga kasashen waje da Amazon sun halarci bukukuwan da kwararrun masu warkarwa suka jagoranta don gano musabbabin cututtuka da rashin daidaito. A gaskiya ma, wannan yana nufin cewa warkaswa ya zama tsakanin mai warkarwa, ruhohin shuka, mai haƙuri da "likita" na ciki. Mai shan giya yana ɗaukar nauyin kansa na matsalolin da aka ɓoye a cikin sume kuma ya haifar da tubalan makamashi - sau da yawa tushen tushen rashin lafiya da rashin daidaituwa na tunani. Abin sha Ayahuasca yana wanke jikin tsutsotsi da sauran cututtuka na wurare masu zafi. Alkaloids na kungiyar harmala suna lalata tsutsotsi. A lokacin liyafar ya zama dole na ɗan lokaci (mafi tsayi mafi kyau) don guje wa waɗannan abubuwan: Duk wani hulɗa tare da kishiyar jima'i, gami da taɓawa mai sauƙi, ba a ba da izinin lokacin shirye-shiryen shan magani ba. Wannan shine abin da ake buƙata don tasirin warkarwa na ayahuasca. Ɗaya daga cikin manyan matsalolin haɗa ayahuasca cikin magani a yammacin yamma shine nisantar da cikakke tare da yanayin na ƙarshe. Magungunan kai tare da ayahuasca ba tare da kasancewa da kulawa da gogaggen mai warkarwa ba a ba da shawarar ba. Tsaro, digiri na warkaswa, da kuma tasiri na gaba ɗaya a cikin wannan yanayin ba a tabbatar da shi ba.