In his writings, Castañeda explored using mescaline, psilocybin and other hallucinogenics in spirituality and human tradition. Born in Peru, Castañeda expended Considerably of his Grownup life in California and served to define the psychological landscape in the sixties. Is there any truth for the claim that LSD kills brain cells? https://medium.com/@LsdWorld/introduction-to-lsd-what-you-need-to-know-e70ffecb3a92