There is some interesting early research into psilocybin and cluster headaches: https://americanmigrainefoundation.org/resource-library/can-psilocybin-treat-clu

There is some interesting early research into psilocybin and cluster headaches: https://americanmigrainefoundation.org/resource-library/can-psilocybin-treat-cluster-headache/#:~:text=According%20to%20Dr.,even%20lead%20to%20complete%20remission https://americanmigrainefoundation.org/resource-library/can-....